Circular Polarization

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  • Опубликовано: 13 ноя 2012
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Комментарии • 197

  • @PeteBeast
    @PeteBeast 8 лет назад +339

    my left ear is thankful for this video!

  • @NaveenKSomasundaram
    @NaveenKSomasundaram 11 лет назад +42

    That's brilliant. A not so intuitive phenomenon explained with such simplicity.

  • @dirm12
    @dirm12 5 лет назад +18

    Finally a video that makes sense of this phenomenon, and doesn't just say 'it's another type of polarisation'.

  • @annalenasegler
    @annalenasegler 3 года назад +14

    I love it! Explained in such an easy way!

  • @alexlistigovers253
    @alexlistigovers253 2 года назад +1

    The connect the string analogy really helped me wrap my head around the vector motion, thanks!

  • @OnTheAir
    @OnTheAir 6 лет назад +6

    I particularly like the sliding white E cardboard wave to show 90 deg. phase shift. Well done!

  • @baraskparas
    @baraskparas 3 года назад +10

    Great presentation. Informative and interesting. Some subtle humour appreciated! Thanks.

  • @melody3741
    @melody3741 Год назад +3

    Bro you explained literally everything I wanted to know AND in a way that allows me to understand how to use them effectively. Thank you so much.

  • @exoticpropulsion8175
    @exoticpropulsion8175 5 месяцев назад

    Most professional video lesson I have ever seen on polarization wave shape!

  • @geoablesd188
    @geoablesd188 6 лет назад +2

    You're so weird I love it!! Keep the vids coming

  • @BirdyMac3g
    @BirdyMac3g 5 лет назад +3

    simple explanation, great visual. u the man

  • @Sam_Chintapalli
    @Sam_Chintapalli 2 года назад +1

    Woow ......
    Just amazing......
    ❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️

  • @vaibhavsaxena231
    @vaibhavsaxena231 10 лет назад +4

    That was one nice presentation !! Congrats for the good work !!!

  • @cyberlightbeing
    @cyberlightbeing 7 лет назад +1

    Absolutely brilliant!

  • @lambda4931
    @lambda4931 Год назад +1

    Best explanation online! Thank you one million times

  • @cchollands
    @cchollands 5 месяцев назад +1

    Your explanation, the model of sliding perpendicular E fields, and the demonstrations REALLY helped me understand. ChatGPT's explanation alone wasn't clear enough for me.

  • @megakiller999
    @megakiller999 6 лет назад

    That was absolutely awesome! thank you!

  • @muniswamy100
    @muniswamy100 2 года назад

    WoW, Saved a Ton of reading with this brilliant video

  • @chetankumar3964
    @chetankumar3964 7 лет назад +1

    excellent demonstration you make to understand the polarization ..thanx

  • @mibo747
    @mibo747 Год назад +1

    IDEAL presentation!

  • @ananthakrishnank3208
    @ananthakrishnank3208 6 месяцев назад

    Brilliantly explained!

  • @MovieMongerHZ
    @MovieMongerHZ 11 лет назад +3

    cool. thanks for the explanation! the animation you had on your cell phone was more informative than the red ribbon in terms of explanation the vector sum. but there were a lot of other cool explanations in this video. especially the movie theater glasses.

  • @gagebarry6938
    @gagebarry6938 5 месяцев назад

    Explained so well!

  • @lironsifado
    @lironsifado Год назад

    you changed my life

  • @vivekanandsahoo5181
    @vivekanandsahoo5181 6 лет назад

    Wow Amazing video ever... I like it

  • @jyoti9426
    @jyoti9426 5 лет назад

    Best explaination yet 👌👌

  • @rahulvarma3004
    @rahulvarma3004 10 лет назад

    perfect explanation,the most curious thing i learned is that you done in theatre closing one eye.i will also try that one next time in the theatre
    .thanks!!!!!

  • @noobtextwritergamer
    @noobtextwritergamer Месяц назад

    i like the video how he asks question how we r sure than shows it. Making it a perfect blend of curiosity followed by solution

  • @akinoz
    @akinoz 4 месяца назад

    This would be one of best explanations ever. Thanks professor.

  • @Singingmom320
    @Singingmom320 3 года назад +1

    Thanks for the comments - I only have a left ear and thought the video was a bust. Now I know I just need to hear it in stereo or without cans at all.

  • @andyzysraul
    @andyzysraul 7 лет назад +1

    Wow, very impressive explanation.

  • @TheBishopSSR
    @TheBishopSSR 8 лет назад +44

    Great informative video. Was the sound for it polarized as well? My left ear is receiving one component only ;)

    • @haoli6628
      @haoli6628 Год назад

      The sound wave has two types: compress-wave(P-wave) and shear-wave(S-wave); P-Wave means medium particles oscillate along the propagating direction; S-wave represents particles oscillating perpendicular to the propagating direction. It seems that sound is "polarized", but we do not sense it: because we can only hear P-wave. (S-wave cannot travel through fluid, e.g. air, water, ...)

  • @maxheadrom3088
    @maxheadrom3088 2 месяца назад

    Awesome!

  • @abubakrbinumar9635
    @abubakrbinumar9635 7 лет назад

    great effort....
    original way of explanation

  • @power-max
    @power-max 7 лет назад

    THis video answered so many questions I didn't even know I didn't know I had! Thanks!

    • @power-max
      @power-max 7 лет назад

      Came here primarily to learn more about the circularly polarized 5.8GHz FPV camera systems work, but wanted to know about that in general.

  • @ramkishorsah8554
    @ramkishorsah8554 6 лет назад

    Thanks buddy for ur nice explanation with ur demonstration 👍👍👍keep it up

  • @ikemoon127
    @ikemoon127 6 лет назад +1

    Very educational. Very interesting.

  • @bharathreddygudibandi492
    @bharathreddygudibandi492 7 лет назад

    i love it a lot.... fantastic

  • @JaeV-xs7vz
    @JaeV-xs7vz 6 дней назад

    great video. you managed to make such a confusing topic so much easier.

  • @Loomyer
    @Loomyer 10 лет назад

    Great video

  • @rudheeshrk
    @rudheeshrk 10 лет назад

    Very good presentation... Keep going...

  • @anaeem86
    @anaeem86 Год назад

    Me likey the attitude......now thats ....COOL👍

  • @naurseakart1190
    @naurseakart1190 Год назад

    Finally, got every single of my doubts cleared.

  • @DANGJOS
    @DANGJOS 10 лет назад

    nice video! and great explanation

  • @Khwartz
    @Khwartz 7 лет назад

    Thanks for the Clear Video :)

  • @tilakpawar979
    @tilakpawar979 4 года назад

    This was a really nice video. East to understand:

  • @jessesinger4790
    @jessesinger4790 7 лет назад

    This is great, thanks

  • @noor-ul-ain3779
    @noor-ul-ain3779 Год назад

    Really loved it thank you so much❤

  • @Nusantara999
    @Nusantara999 6 месяцев назад

    Interesting! ❤

  • @navyansh5168
    @navyansh5168 6 лет назад

    Amazing sir

  • @FlorenciaCSalas
    @FlorenciaCSalas 10 месяцев назад

    Amazing !!! Thankss

  • @NikitaVerma-the-one-and-only
    @NikitaVerma-the-one-and-only 9 лет назад +4

    This is an amazing video! Thank you so much!! :)

  • @anttron1
    @anttron1 11 лет назад

    wow... really good.

  • @maskedmarvyl4774
    @maskedmarvyl4774 2 года назад

    I wish this video was twice as long and had gone into twice as much detail about circular polarization and how exactly one of the light components is slowed down by a quarter phase. But I appreciate the explanation.

  • @GseichtsG
    @GseichtsG 6 лет назад +1

    Your model of a wave is very good. The moment you switched it to the circular polarized wave was like boom and suddenly it made sense to me why the iPhone display did not turn black. It is because the circular polarized light always has an amplitude isn't it? I mean the function has no roots. Am I correct with this?

  • @TheRodiscumbag
    @TheRodiscumbag 2 года назад +1

    My left ear learnt a lot about circular polarisation. My right one, not so much.

  • @KISHORENEDUMARAN
    @KISHORENEDUMARAN 3 года назад

    cool video

  • @kishfoo
    @kishfoo 3 месяца назад

    I think that linear polarizers also block out a gradation of light up to a 45-degree angle. Light waves are not oriented horizontally and vertically, perpendicular to their direction of travel. If it were orientated in such a way, you would get light seepage when you spun your stack of polarizers around at different angles. And that's not all. They also block shear in a gradation up to a 45-degree angle as light travels omni directionally.

  • @AmartyaGhoshee
    @AmartyaGhoshee Год назад

    This is extremely interesting!!!

  • @Ricky23289
    @Ricky23289 10 лет назад

    the best was the one black eye, when u close ur eye :D

  • @akashengbt
    @akashengbt 10 лет назад

    good way of explaining

  • @blue_name_warrior
    @blue_name_warrior 5 лет назад +9

    my right ear give you thumb down,cause you don't treat him equally。

  • @ruzzellcrowe9352
    @ruzzellcrowe9352 5 лет назад +1

    The Mantis Shrimp eyes... :o

  • @rendermanpro
    @rendermanpro 3 года назад

    "My left ear....." - it was so interesting that I didn't even notice that is was shifted to the left. Someone look for a content and someone to find what's wrong.

  • @anupamamandal6960
    @anupamamandal6960 7 лет назад +1

    Nice Explanation.... wanted to know if Circularly and linearly polarized light both from the same source have equal intensity?

  • @manideepreddyenugala4097
    @manideepreddyenugala4097 3 года назад

    Any advice before watching 👀,looks like I need one...

  • @roopikas2647
    @roopikas2647 3 года назад

    If u teach Physics like this...I would have left my dream of becoming a doctor long ago

  • @sirpatmcc
    @sirpatmcc 3 года назад

    Very helpful. Thank you.

  • @dancoulson6579
    @dancoulson6579 10 лет назад

    Wow! I was really astounded when he span the third sheet infront of the dimmed lamp, and it made it brighter! Almost seems to defy physics!

    • @9181shreyasbhatt
      @9181shreyasbhatt 8 лет назад

      +Dan Coulson Welcome to quantum mechanics

    • @Trec-u
      @Trec-u 8 лет назад +1

      yeah quantum mechanics defy physics lmao, but this absolutely didn't

  • @0Bato
    @0Bato 4 года назад

    The sound is only to the gauche its very asmr thanks you very fascinating

  • @timoteo6515
    @timoteo6515 9 лет назад

    you are goood, brabooooooo.

  • @madhvipandey1708
    @madhvipandey1708 7 месяцев назад

    well explained Sir

  • @ravindergoyat4316
    @ravindergoyat4316 5 лет назад

    Quality explaination

  • @andyowen3685
    @andyowen3685 4 года назад

    No frills. straight up science!

  • @SqnLdrVinutha
    @SqnLdrVinutha 7 лет назад

    oh great explanation. thanks

  • @alinakorbut2452
    @alinakorbut2452 9 лет назад

    awesome! thank you!

  • @Dead-cg1yy
    @Dead-cg1yy 6 лет назад

    dude ur awesome

  • @itisonlyadream
    @itisonlyadream 10 лет назад +4

    Regarding the experiment with the mirror and 3-D glasses, that demonstration is misleading in my opinion and needs to be clarified. It's true that if the experiment is done with 3-D glasses that are circularly polarized, then the lens over the open eye will appear darker in the image reflected from the mirror than the lens over the closed eye. However, if linearly polarized 3-D glasses are used, then the lens over the closed eye will appear to be darker in the reflected image. I think he should have mentioned that in BOTH cases one eye will appear darker and the only way to distinguish the linearly polarized glasses from the circularly polarized glasses is to pay attention to which eye looks darker. In my opinion, people who have not done this experiment with both types of 3-D glasses will come away from this demonstration thinking that one lens will only look darker in the mirror if circularly polarized glasses are used and that is not true.

  • @expchrist
    @expchrist 8 лет назад +10

    Nice trick at 1:45. I assume that you put a circular polarizer in front of the camera to achieve that effect.

    • @yash1152
      @yash1152 2 года назад

      yeahhhahahahahaha that's amazing. it's always exciting for me to wonder and see how the effects observable to us can be transmitted to the camera (and by extension, to other corresponding devices too)

  • @brightbit1965
    @brightbit1965 11 месяцев назад

    Gold.

  • @sandeepsekharpk
    @sandeepsekharpk 7 лет назад

    nice explanation

  • @mahmoudgharib9223
    @mahmoudgharib9223 9 лет назад

    awesome

  • @user-gk4cu1dg3q
    @user-gk4cu1dg3q 6 лет назад

    Thank you king

  • @chris24hdez
    @chris24hdez 9 лет назад +2

    1. Is a linear polarizer defined by the electric or magnetic field, and is it defined by what it transmits or what it blocks? (a green color filter looks pink, for example)
    2. where can i find more elaboration about the physics of the circular filter itself?
    3. What experiments can I do to correctly define the polarity of light (or the filter) that I have? Am I looking at a vertical electric field? Is the electric field that bounces off a plane perpendicular or parallel to the plane?

    • @sirguythe7th
      @sirguythe7th 7 лет назад

      1. Don't confuse a colour filter for a polarising filter. Colour filters work by absorbing a CERTAIN WAVELENGTH of light: if it absorbs blue and you shine white light through it, what you will see is the white light minus the blue light = red. Polarising filters slow down / attenuate light of ALL WAVELENGTHS: they just need to be travelling in a PLANE specific to the PLANE of the polarising filter
      2. I'm sure you can find loads on the internet (sorry but google can answer that one)
      3. a) He already answered this in the video b) The light has a net sum vector in a certain direction: but rotating the polarising filter you can see which direction that is c) Not sure what you mean by this.

  • @nowonmetube
    @nowonmetube 7 месяцев назад

    I'd not have thought of Dr. Cox explaining quantum physics to me in a magician (sleight of hand) style.

  • @anon1123a
    @anon1123a 8 месяцев назад

    perfect

  • @azeemimtiaz4547
    @azeemimtiaz4547 Год назад

    super easy explaination

  • @nitinmishra7100
    @nitinmishra7100 10 лет назад

    awesome...:):)

  • @Tadesan
    @Tadesan 6 лет назад

    So circular polarizers have a bandwidth?
    Dang, just when you thought things might be simple...
    Thanks!

  • @silentjoe4745
    @silentjoe4745 2 года назад

    I’ve come to realize that I’m not necessarily stupid, I’ve just had terrible teachers.
    Complex topics only seem like such because the people teaching them to me don’t fully grasp what they’re speaking of.
    Most proficient practitioners don’t become teachers. The key to intelligence is finding the right teachers. A good teacher makes a worlds difference.

  • @jasonselph6968
    @jasonselph6968 Год назад

    As you are clearly the Chevy Chase of science, I hope you begin to include complimentary pratfalls in each video...thank you in advance...(and excellent video)

  • @xkriolox
    @xkriolox 5 лет назад

    I didn't understand the mirror trick. Why is one of the lenses black in the mirror and the other one black when he turns to the camera?

  • @jameshuang7982
    @jameshuang7982 6 лет назад

    Thankyou so much for this very nice video first, for a long time i am looking for what is that at the 4:05 your right hand take down for the 3D glasses, I am really want to know where can buy that plastic (that looks no color one) , cause i am want to make the Circular Polarization. thankyou again !

  • @tombowen8091
    @tombowen8091 10 месяцев назад

    brilliant , and no poo music , well done that man

  • @benni_crafter4931
    @benni_crafter4931 Год назад

    very good explanation!
    but to nitpick a bit, i think we learned that the speed of light is actually always 300000 km/s but what actually slows down the light is how long it takes for the light to transmit the energy in an atom of the given substance.
    correct me if i am wrong, but isn't that what actually causes the "lower speed of light" in optical denser substances?

  • @MohamedEldakamawy
    @MohamedEldakamawy 6 лет назад

    could you tell how polarized glass made?

  • @edis9493
    @edis9493 3 года назад

    How does a polarizer rotate the circularization and allow us to observe this change in real-time?

  • @falcodarkzz
    @falcodarkzz 6 лет назад

    'Heyy we're the Beatles.' Oh lordy

  • @johnmiwa6256
    @johnmiwa6256 Год назад

    First time I heard that a photon has two electric fields.

  • @shougaijamchinglemba9580
    @shougaijamchinglemba9580 10 месяцев назад

    very helpful thanks