I think you're severely underestimating the knowledge, effort, and money required to produce these videos. The fact that there is a single channel with this caliber is a blessing.
@@davemorphling7432 There exists more expensive videos of amateur rocketeers in youtube. Which is infact so much more complicated but yet we have so much of that content on youtube. But for Optics in general with this level of dedication there is hardly any.
@@primenumberbuster404 i would guess this is because there is more information regarding the mechanics of rocketry in circulation. and optics is a much less "exciting" field, somewhat like the idea of "charismatic species" in conservation
Peak youtube right here. Everyone take note - this is how you do educational content. So awesome. You and microcosmos inspired me to get a microscope and I've been teaching my daugter about optics - truely thank you for your hard work on these videos!
The microscope is totally underrated as an instrument for physics education. Glad you use it. I'm also amazed by the scary looking monsters that are in my pond!
@@HuygensOptics Have you ever checked out the YT channel Lemino ..? It's not physics, but it's perhaps my favorite obscure channel (not that obscure tho).
@@HuygensOptics 3Blue1Brown channel also had interesting video about Prism, explaining what happens inside lens medium, why light slows down with wave propagation.
English is not my native language, but I studied it at school. And in addition to the excellent educational part of the video, I would like to note the clear speech of the author, understandable to non-native speakers
Interesting because the author is also not a native English speaker (he's Dutch). Maybe that helps non-native speakers to understand his English better.
@@rschroev Yes, most who have learned English as a foreign language (like me) speak a separate 'school' dialect that is taught in schools. As a result there is good understanding.
Very, very cool demonstration! Something about seeing a physical demonstration of these principles really makes it clear, compared to simply looking at textbook illustrations. Can't wait for the ASML video too!
Thanks Zach! Regarding the visit: what they do at ASML is completely insane, like the synchronized acceleration at 30G with sub-nanometer precision and making accurate projection of billions of device patterns in one go with the same precision routinely possible. I was completely blown away by all the things I was not even aware of were possible...
Just amazing knowledge and caring, simplicity and detail that Huygens propagates to the world, totally love the idea of ASML sharing too, even if its just the optical part that they use a water plate i think, ty ty for the great content!!
Seeing that Nils Berglund's channel is credited, it strikes me just how connected the RUclips science community is. I could talk to a physics enthusiast halfway across the world and just happened to recognize the same channels
there is even a folk that did a graph analysis of his own audience and got some evidence of just how interconnected this community can be. (and how it is just a tiny table on the huge yt mall world)
This channel had used Nils Berglund’s animation to depict how multiple sources eventually become solid angle regions of coherent light. This explained a contradiction that puzzled me since the last century … why multiple sources at a particular wavelength bunched together physically do not all cancel each other out due to adding increasing numbers of phase shifted waves? (The randomness of phase shifts implied as number of sources increased, then every wave would have another wave approaching 180 degrees out of phase and thus cancel out). This really messed up the idea of inverse square intensity because at a distance, a light source like a star would have cancelled out all its’ photons and radiated energy would vanish! Nils demonstrated why the waves do cancel in some directions but combine in other directions so like the song in Titanic movie, the radiated energy still goes on. The total energy passing through a Gaussian shell of any radius around the star will remain constant regardless of radius
Astronomical sources are so far away from us that they essentially behave as coherent light sources due to their small solid angle. Same reason you put a slit in front of a spectrometer: you're trying to select only in-phase light.
This may well be the clearest, most concise explanation video I've ever seen. It snaps together years of formal education that was presented in discreet and disparate topics. RUclips is a modern day Library of Alexandria that just happens to be filled with an inordinate amount of content about cats -- let's hope it doesn't suffer the same fate as the original.
Awesome! The way you demonstrate the subjects in such detail is invaluable. As always, thank you for making another video. Also, congrats to Nils for making the scientific simulation.
I think I just saw a fiber optic simulation by Nils - amazing - only 80 lines code _ish run on GPUs / you know the graphics card peeps. Multi modal fiber - Does Loki know about this ... hehe.
The first few minutes really solidified some things I knew, but kept in different baskets in my brain. I used to design acoustic sensing experiments that used fibre optics strain variation (DAR), and the lensing effects of different materials as sound propagated through soil/gravel/concrete/air etc had dramatic effects on triangulating the source of the sound (small digger near a cable vs. big digger far away). Thanks so much for putting this video together, along with all the others you do.
This video is an absolute gem. You completely delivered on the promise: "if you stick around, you will not disappointed." The reminder that 'these are not simulations, they are real images collected using a microscope' was a kick in the brain. And it's not often I get to have a thought like, "Hmmm. Removing those rings decreases the information like a compression algorithm" and hear only a few minutes later, "The image looks a bit like a heavily compress JPEG image." BRAVO!
Man, I have never seen anyone explain the creation of an image with a lens from a pure wave perspective, and so clearly at that. I am a working professional in integrated photonics and have a PhD in physics, and I have learned quite a bit today. Thanks!
I did my coursework for my Ph.D in photonics, and your descriptions are fantastic and would have helped me a ton back then. Wonderful work! I would love to see your demonstration of how darkfield illumination/microscopy works, as, selfishly, I'd love to link the video to my coworkers :)
Throughout the video I was constantly thinking "Where did I hear high NA before?" and I am so happy to see the tie in at the end of the video. It's extremely cool to see the ring lenses and their performance.
I just had a whole moment there when he said that the angle had to be bigger the smaller the spatial frequency we wanted to reproduce. That's such a simple explanation for the diffraction limit of a lens
I can say that I now understand the basic concept of nummerical aperture thanks to this video. I never understood how a aperture can have an effect on the image resolution, in my thinking it would only make the projected image less bright. Now I get it!
I'm studying optics in my masters and this video still contained an experiment I've seen for the first time. Fourier optics is fascinating. I believe you have made a video on Fourier transform and how ear can perform fourier transform. So basically if I understand it right, our eye is in fact also capturing just spacial frequencies of the things we see. It all comes together:)
Thank you. I always was curious about this. But optics books are written so dry I couldn't make sense of it. You put it all into a very coherent narration.
Thank you for touching on Fresnel lenses. I own a 5 kW cine fresnel light and I could stare at the glass fresnel lens all day. I’m also fascinated with zone plate photography, so you hit a double whammy for me. I’ll be looking for more fresnel speak in your other videos, but please do more! :-)
This is one of the most fascinating videos I've watched! Connecting Fresnel lenses to fourier series and JPEG compression was quite mindblowing. Thank you so much for this great video!
This dudes goes on and on just shattering my understanding of physics and does not even sweat, somebody stop him! (actually nobody stop him I want more)
I feel so lucky to have stumbled upon this RUclipsr. I'm not an astronomer by any stretch, but that's where I came from - watching John Dobson making a reflector telescope from a porthole glass. I've learn so much about light already, thank you.
Watched this and then the next suggested video was about computational lithography and there's literally the same circular lenses being used to better resolve a final mask image. Double mind-blower.
i have watched this channel for a long time, but today was a bit special -- i am in the photolithographic space and this was a wonderful illustration of the key concepts in my field. you almost have enough in this video to explain many important trends in semiconductor manufacturing for the last 20+ years in the principals covered here, which is of course where you are going in the next video! goede wetenschap :)
Love the format and the “live from the bench” aspect. The unexpected 70’s music was a great gag. I almost dropped my phone. That was a brilliant tour through lenses and Fourier, and your deep hobby work on the photolithography slits makes it especially fulfilling to see unfold.
You have a real talent for explaining complex matter in a way that makes it as easy to understand as possible. Great animation, script, and very good voice over with spot on timing. This coupled with the very practical experiments you set up make for top notch educational content. Your videos prove that education is not just stating facts, it is making knowledge understandable. Don't dumb down, but explain better! Well done sir!
Excellent video, so interesting ! In the microscope footage, I really like how one can see slicies of the propagating light smoothly varying between an image of the aperture and an image of the object. Great work!
That is quite an achievement, indeed wonderful simulations. When I explain the effect of NA on resolution and depth of field having a video like this as 'further reading' is very useful. An alternative way to phrase it is that a positive lens is an exceptionally fast 2D Fourier transform i.e. a very fast computer. I'm sure you are aware of the community of pinhole camera enthusiasts. A 30 order zone plate would make a lot of people very happy.
Incredibly good video. This channel has taught me more about optics and physics than any other. I make optics and modules for ASML's lithography machines, and i cant wait for your next video. Im hoping it will give me the "why" behind the different specifications and techniques i have to follow to make these parts.
In terms of the intro scene (how light moves through a lens), when I look at light directivity now, I always think of it as perpendicular to the "rays", because it literally is based upon the way it moves. It's so difficult to imagine it in the old way any more, once you realise it's a perturbation of a continuum (the EM field) rather than straight lines pointing out in "rays". P.S. Those animations are awesome! Big up to Nils Berglund, and also big up to you for all your excellent and informative videos!
This video is so amazing. Thank you for the presentation of your content. It really improved my perspective on lenses and made the split light interference pattern so intuitive. I’ve been thinking about it for days. Beautiful.
Thank you for this video! I had my personal moment of realization in university in my signals and systems lecture when we were introduced to the Fourier transform. I realized that decomposing a signal into discrete frequencies is basically the same thing a prism does.
I worked in computer graphics (which is all about light transport and image formation) for 20 years, and I have learned so much new stuff from your videos. I can't express just how good they are. Thank you so much.
Thank you for this! I just learned about liquid crystal diffractive optics, and this helped me get my head around a lot of the fundamentals of how they work. (And some of the higher-order effects, even!)
Yet another amazingly informative video, Jeroen! I don't seem to recall you ever detailing in any of your previous videos the physical mechanism for index of refraction. Many of us would probably appreciate if you touched on it in a future video. I know I would!
Next time on Huygens Optics: "The wave image of light is really just a rough approximation. [...] to give you a sense of when it fails, consider this setup involving a squeezed/number state. [...] here you can see a simulation of the LIGO interferometer with a coherent state and a squeezed state, as you can see [...]" :P This is some really excellent explanations of fairly advanced physics for a general audience! I love it! Especially the practical demonstrations are amazing :)
I already had most of the information about how this work, but this video finally made it all click together! What a wonderful gift, thank you so much for this amazing work.
How timely. I was just looking yesterday to see if you had released any videos recently. Kudos to Nils for those fantastic animations, and kudos to you for such a clear and elegant explanation.
thankyou so much, very good video. the presentation of some concepts was such i think I understand them better, only 20 mins in and had to pause for a break to process
As always, an great optics video! I also want to compliment you on the clarity of presentation of such a difficult topic. This video made me reflect on the number of things you get right: optics, presentation, scripting, voiceover, weaving a story during a technical topic, editing, physical experiment, keeping the topic accessible for different levels, etc. A lovely accomplishment!!!
I believe all praise was already given, but I already liked the video, so I am commenting to boost the channel as high as possible. Thank you for your effort.
So well done and presented in an easy to understand, practical way. Twenty two and a half minutes of optical essentials flew by.. Looking forward to the next one...
Every video you put out is a treasure, and gives me new insights into phenomenon I either had not considered before, or thought I understood better than I did.
Absolutely lovely video! I was surprised that you did not go into discussion of how a pinhole camera works, because essentially that is what you were doing!
I enjoy your deep dives into optics. I have been intrigued and enlightened by Nils Berglund's videos for a while now and recognized the reproductions you used here. Good job to you both!
The fact that this is the only dedicated optics channel on entire youtube is crazy.
I think you're severely underestimating the knowledge, effort, and money required to produce these videos. The fact that there is a single channel with this caliber is a blessing.
@@davemorphling7432 There exists more expensive videos of amateur rocketeers in youtube. Which is infact so much more complicated but yet we have so much of that content on youtube. But for Optics in general with this level of dedication there is hardly any.
@@primenumberbuster404 i would guess this is because there is more information regarding the mechanics of rocketry in circulation. and optics is a much less "exciting" field, somewhat like the idea of "charismatic species" in conservation
absolutely!
Where he said he bought something is eBay and you find out that a semiconductor magnifier checker for nanometer level😂
Peak youtube right here. Everyone take note - this is how you do educational content. So awesome.
You and microcosmos inspired me to get a microscope and I've been teaching my daugter about optics - truely thank you for your hard work on these videos!
The microscope is totally underrated as an instrument for physics education. Glad you use it. I'm also amazed by the scary looking monsters that are in my pond!
@@HuygensOptics Have you ever checked out the YT channel Lemino ..?
It's not physics, but it's perhaps my favorite obscure channel (not that obscure tho).
@@HuygensOptics 3Blue1Brown channel also had interesting video about Prism, explaining what happens inside lens medium, why light slows down with wave propagation.
English is not my native language, but I studied it at school. And in addition to the excellent educational part of the video, I would like to note the clear speech of the author, understandable to non-native speakers
Interesting because the author is also not a native English speaker (he's Dutch). Maybe that helps non-native speakers to understand his English better.
@@rschroev Yes, most who have learned English as a foreign language (like me) speak a separate 'school' dialect that is taught in schools. As a result there is good understanding.
Dutch accent is so good.
Very, very cool demonstration! Something about seeing a physical demonstration of these principles really makes it clear, compared to simply looking at textbook illustrations. Can't wait for the ASML video too!
Thanks Zach! Regarding the visit: what they do at ASML is completely insane, like the synchronized acceleration at 30G with sub-nanometer precision and making accurate projection of billions of device patterns in one go with the same precision routinely possible. I was completely blown away by all the things I was not even aware of were possible...
@@HuygensOptics Wow, that's just so completely impossible sounding! What an amazing engineering accomplishment. Can't wait to watch!
Just amazing knowledge and caring, simplicity and detail that Huygens propagates to the world, totally love the idea of ASML sharing too, even if its just the optical part that they use a water plate i think, ty ty for the great content!!
Seeing that Nils Berglund's channel is credited, it strikes me just how connected the RUclips science community is. I could talk to a physics enthusiast halfway across the world and just happened to recognize the same channels
there is even a folk that did a graph analysis of his own audience and got some evidence of just how interconnected this community can be. (and how it is just a tiny table on the huge yt mall world)
@@giovane_Diaz really? do you have the link?
@@giovane_Diaz I'm not sure I've ever heard someone refer to a singular "folk" before 😂
This channel had used Nils Berglund’s animation to depict how multiple sources eventually become solid angle regions of coherent light. This explained a contradiction that puzzled me since the last century … why multiple sources at a particular wavelength bunched together physically do not all cancel each other out due to adding increasing numbers of phase shifted waves? (The randomness of phase shifts implied as number of sources increased, then every wave would have another wave approaching 180 degrees out of phase and thus cancel out). This really messed up the idea of inverse square intensity because at a distance, a light source like a star would have cancelled out all its’ photons and radiated energy would vanish! Nils demonstrated why the waves do cancel in some directions but combine in other directions so like the song in Titanic movie, the radiated energy still goes on. The total energy passing through a Gaussian shell of any radius around the star will remain constant regardless of radius
Astronomical sources are so far away from us that they essentially behave as coherent light sources due to their small solid angle. Same reason you put a slit in front of a spectrometer: you're trying to select only in-phase light.
This may well be the clearest, most concise explanation video I've ever seen. It snaps together years of formal education that was presented in discreet and disparate topics. RUclips is a modern day Library of Alexandria that just happens to be filled with an inordinate amount of content about cats -- let's hope it doesn't suffer the same fate as the original.
Awesome! The way you demonstrate the subjects in such detail is invaluable. As always, thank you for making another video. Also, congrats to Nils for making the scientific simulation.
I think I just saw a fiber optic simulation by Nils - amazing - only 80 lines code _ish run on GPUs / you know the graphics card peeps. Multi modal fiber - Does Loki know about this ... hehe.
The first few minutes really solidified some things I knew, but kept in different baskets in my brain. I used to design acoustic sensing experiments that used fibre optics strain variation (DAR), and the lensing effects of different materials as sound propagated through soil/gravel/concrete/air etc had dramatic effects on triangulating the source of the sound (small digger near a cable vs. big digger far away).
Thanks so much for putting this video together, along with all the others you do.
This video is an absolute gem. You completely delivered on the promise: "if you stick around, you will not disappointed."
The reminder that 'these are not simulations, they are real images collected using a microscope' was a kick in the brain.
And it's not often I get to have a thought like, "Hmmm. Removing those rings decreases the information like a compression algorithm" and hear only a few minutes later, "The image looks a bit like a heavily compress JPEG image."
BRAVO!
This is a real gem, thankyou for all your work
Man, I have never seen anyone explain the creation of an image with a lens from a pure wave perspective, and so clearly at that. I am a working professional in integrated photonics and have a PhD in physics, and I have learned quite a bit today. Thanks!
I wonder how many physics PhDs are here in the comments!
I did my coursework for my Ph.D in photonics, and your descriptions are fantastic and would have helped me a ton back then. Wonderful work!
I would love to see your demonstration of how darkfield illumination/microscopy works, as, selfishly, I'd love to link the video to my coworkers :)
Absolutely! There was a picture of Kohler illumination here that made _so_ much sense!
Throughout the video I was constantly thinking "Where did I hear high NA before?" and I am so happy to see the tie in at the end of the video. It's extremely cool to see the ring lenses and their performance.
This is simply the best explanation I've ever seen. I loved the fact that you showed real experiments. Thank you!
This perfectly explained my questions concerning "lens diffraction", thank you
Always wondered why images get softer at the small apertures. This video explains it perfectly
Aha! That aperture explanation really snaps in place for me!
Your videos are by far superior to all of the courses on optics I have seen so far...
This is one of the best videos on RUclips.
I just had a whole moment there when he said that the angle had to be bigger the smaller the spatial frequency we wanted to reproduce. That's such a simple explanation for the diffraction limit of a lens
Looking forward to seeing ASML Lab
Wonderful walk-through, amazing visualization by Berglund 🙏
Looking forward to your visit at ASML 🌞
I can say that I now understand the basic concept of nummerical aperture thanks to this video. I never understood how a aperture can have an effect on the image resolution, in my thinking it would only make the projected image less bright. Now I get it!
Omg omg so cool!! That's like applying inverse of diffraction pattern of a hole to create the hole. With all that fourier stuff, it's like magic!
I'm studying optics in my masters and this video still contained an experiment I've seen for the first time. Fourier optics is fascinating. I believe you have made a video on Fourier transform and how ear can perform fourier transform. So basically if I understand it right, our eye is in fact also capturing just spacial frequencies of the things we see. It all comes together:)
As an ASML employee and long time subscriber, I am exited about that teaser :)
Very satisfying explanation of NA, usually it too general and "dry", w/o motivation how it can be invented. Thanks.
Thank you. I always was curious about this. But optics books are written so dry I couldn't make sense of it. You put it all into a very coherent narration.
astonishing video - I wish I had this in high school. I understand optics a lot better now!
This is so friggin obvious, but i'd never realised it. Thanks! And so well explained too.
The first 1/2 is really informative.
I was pondering that issue for several just recently.
This must be the best piece of information about how optics work I've even seen.
Thank you for touching on Fresnel lenses. I own a 5 kW cine fresnel light and I could stare at the glass fresnel lens all day. I’m also fascinated with zone plate photography, so you hit a double whammy for me. I’ll be looking for more fresnel speak in your other videos, but please do more! :-)
This is one of the most fascinating videos I've watched! Connecting Fresnel lenses to fourier series and JPEG compression was quite mindblowing. Thank you so much for this great video!
The fact that I, who is dumb as a brick, can understand the presentation shows how well your content is made. Thank you, sir.
This dudes goes on and on just shattering my understanding of physics and does not even sweat, somebody stop him! (actually nobody stop him I want more)
This second half of the video is the most practical introduction to quantum mechanics I have seen.
Just finished 3b1b's recent optics videos, This is absolutely a Treat to watch. Thanks for the amazing content.
Wow that was fun! I get excited whenever I see a new post from you. THANKS!
Finally I understand difraction.. thank you!!!!!!! THIS IS THE YT channel I was looking for months...
Welcome!
This is a superb video, especially on diffraction. Thank you!
This video condensed several weeks of the Fourier optics lab I facilitated into an excellent 20 min video. Nice work!
I feel so lucky to have stumbled upon this RUclipsr. I'm not an astronomer by any stretch, but that's where I came from - watching John Dobson making a reflector telescope from a porthole glass. I've learn so much about light already, thank you.
Watched this and then the next suggested video was about computational lithography and there's literally the same circular lenses being used to better resolve a final mask image. Double mind-blower.
i have watched this channel for a long time, but today was a bit special -- i am in the photolithographic space and this was a wonderful illustration of the key concepts in my field. you almost have enough in this video to explain many important trends in semiconductor manufacturing for the last 20+ years in the principals covered here, which is of course where you are going in the next video! goede wetenschap :)
Love the format and the “live from the bench” aspect. The unexpected 70’s music was a great gag. I almost dropped my phone. That was a brilliant tour through lenses and Fourier, and your deep hobby work on the photolithography slits makes it especially fulfilling to see unfold.
You have a real talent for explaining complex matter in a way that makes it as easy to understand as possible. Great animation, script, and very good voice over with spot on timing.
This coupled with the very practical experiments you set up make for top notch educational content.
Your videos prove that education is not just stating facts, it is making knowledge understandable.
Don't dumb down, but explain better! Well done sir!
Thanks for the excellent lecture. I highly anticipate your upcoming video on ASML. That's a very special visit. Cheers.
Excellent video, so interesting ! In the microscope footage, I really like how one can see slicies of the propagating light smoothly varying between an image of the aperture and an image of the object. Great work!
This is the most interesting and my personal favourite channel on RUclips, thank you for your content.
That is quite an achievement, indeed wonderful simulations. When I explain the effect of NA on resolution and depth of field having a video like this as 'further reading' is very useful. An alternative way to phrase it is that a positive lens is an exceptionally fast 2D Fourier transform i.e. a very fast computer. I'm sure you are aware of the community of pinhole camera enthusiasts. A 30 order zone plate would make a lot of people very happy.
Incredibly good video. This channel has taught me more about optics and physics than any other. I make optics and modules for ASML's lithography machines, and i cant wait for your next video. Im hoping it will give me the "why" behind the different specifications and techniques i have to follow to make these parts.
In terms of the intro scene (how light moves through a lens), when I look at light directivity now, I always think of it as perpendicular to the "rays", because it literally is based upon the way it moves.
It's so difficult to imagine it in the old way any more, once you realise it's a perturbation of a continuum (the EM field) rather than straight lines pointing out in "rays".
P.S. Those animations are awesome! Big up to Nils Berglund, and also big up to you for all your excellent and informative videos!
This video is so amazing. Thank you for the presentation of your content. It really improved my perspective on lenses and made the split light interference pattern so intuitive. I’ve been thinking about it for days. Beautiful.
Very few articles found on the internet, thank you very much you shed light exactly what I was looking for. Thank you very much.
Thank you for this video! I had my personal moment of realization in university in my signals and systems lecture when we were introduced to the Fourier transform. I realized that decomposing a signal into discrete frequencies is basically the same thing a prism does.
This was the most interesting thing I have watched in ages. Thanks for doing this!
I feel like a changed man after watching this video. That's not often you can have such an effect with only a 20 minute video!
I worked in computer graphics (which is all about light transport and image formation) for 20 years, and I have learned so much new stuff from your videos. I can't express just how good they are. Thank you so much.
Thank you for this! I just learned about liquid crystal diffractive optics, and this helped me get my head around a lot of the fundamentals of how they work. (And some of the higher-order effects, even!)
Thanks to this video I've finally understood term diffraction - thanks mate
Did you just start a new internet flame war, jeepeg or jaypeg? It's gif all over again!
Amazing insightful and humorous content again as always
Yet another amazingly informative video, Jeroen! I don't seem to recall you ever detailing in any of your previous videos the physical mechanism for index of refraction. Many of us would probably appreciate if you touched on it in a future video. I know I would!
Brilliant video! Thank you for the clear explanation and good sense of humour 😅
Oh boy, every day a new Huygens video drops is a good one. And then also teasing a video with ASML as its topic, can't wait!
More clearly done than most physics texts and lectures. Brilliant!
Really cool, thanks Jeroen. I was aware of Fresnel zone plate antennas but never stopped to think about how they really worked.
Top notch stuff! I never fail to be impressed. Carry on, sir!
Unless I have not been paying attention it has been a while, but it is worth the wait.
omg, the ASML teaser at the end was such a welcome surprise!!!
Light is weird! Very cool! Thanks for the clear explanation .
the visual illustration at 3:30 is just so wonderful!
Brilliant, thanks for such much love and dedication and clarity
Thank you for everything you are doing. Without any exaggeration , this is my most favorite channel on RUclips.
OMG thank you; can't wait to see your trip to ASML
Next time on Huygens Optics: "The wave image of light is really just a rough approximation. [...] to give you a sense of when it fails, consider this setup involving a squeezed/number state. [...] here you can see a simulation of the LIGO interferometer with a coherent state and a squeezed state, as you can see [...]" :P
This is some really excellent explanations of fairly advanced physics for a general audience! I love it! Especially the practical demonstrations are amazing :)
ASML ?!?! Can't wait for that video!
Oh and this one was fascinating too, thanks!
Wow So Much I didn't know ! It Shows how a good Teacher can teach stuff that would be easily missed by others , Thanks
I already had most of the information about how this work, but this video finally made it all click together! What a wonderful gift, thank you so much for this amazing work.
How timely. I was just looking yesterday to see if you had released any videos recently. Kudos to Nils for those fantastic animations, and kudos to you for such a clear and elegant explanation.
Breathtaking. Many Thanks ❤
thankyou so much, very good video. the presentation of some concepts was such i think I understand them better, only 20 mins in and had to pause for a break to process
This is the most interesting youtube channel ever.
Amazing! I studied optics in college, but this was simply beautiful. Thank you.
Awesome to see the application of the wafer stepper for such a striking demonstration - great video!
Delightful! Thank you so so so much. This video needs to stay in the Hall of Fame of educational resources!!!
As always, an great optics video! I also want to compliment you on the clarity of presentation of such a difficult topic. This video made me reflect on the number of things you get right: optics, presentation, scripting, voiceover, weaving a story during a technical topic, editing, physical experiment, keeping the topic accessible for different levels, etc. A lovely accomplishment!!!
I believe all praise was already given, but I already liked the video, so I am commenting to boost the channel as high as possible. Thank you for your effort.
Could this be the best youtube channel on this topic in all of youtube?
So well done and presented in an easy to understand, practical way. Twenty two and a half minutes of optical essentials flew by.. Looking forward to the next one...
fantastic visualizations which underline the explanations very beautiful. Very excited for the next one :)
Every video you put out is a treasure, and gives me new insights into phenomenon I either had not considered before, or thought I understood better than I did.
Beautiful simulation and real-world example! It's really intuitive
Absolutely lovely video! I was surprised that you did not go into discussion of how a pinhole camera works, because essentially that is what you were doing!
I KNEW IT!! Nils is amazing!! 1k videos is great but what about 2.6k lmao
I love your channel. Your ability to explain optical phenomena is exceptional and is easy to follow.
I enjoy your deep dives into optics. I have been intrigued and enlightened by Nils Berglund's videos for a while now and recognized the reproductions you used here. Good job to you both!
Thabks a lot for another great vid on optics! Really amazing!
Ooo, can't wait till the next video!
Can't wait for the visit to ASML!