Thank you for a great lecture! Animations are amazing and intuitive. ありがとうございます。 A quick question, professor. In the chapter "Optical constants"(1:11) it was explained that the n value is related to the wavelength(λ) and the extinction coefficient(k) is to amplitude. But in the chapter "Ellipsometry"(7:12), the single variable test, instead, shows that the changes in the n value result in the amplitude of the reflected wave, and the k value change leads to the change of the phase of the reflected wave, which is a quite opposite concept that I've understood from the former chapter. I think I understood wrong somewhere. Where did I get it wrong? I'll really appreciate it if you could let me know, or recommend some other studying materials or related papers.
Thank you very much for your good question! The important point is that, in ellipsometry, only the relative values of p- and s-polarizations are characterized. The increase in n leads to the relative amplitude change mainly because the amplitude of p-polarization decreases, which can be related to light refraction properties of materials [please see Fig. 2.19 in “Spectroscopic Ellipsometry: Principles and Applications” (Wiley, 2007) for further understanding]. For the change of delta with k, unfortunately, there is no intuitive way to explain the phase lag between p- and s-polarizations.
Hi, I was reading your question, and I think I have an answer for it. In (1:11), we are talking about n and k as the electric field component enters (the wave is refracted) into a material with an index of refraction n. In the minute (7:12), the electric field does not enter the material (the wave is reflected), leading to the different behavior of the electric field components, which is explained as the phase difference between X and Y electric field components. Both, reflection and refraction are different concepts and have different effects on the behavior of the wave.
Please continue Dr. Fujiwara. To be honest your explanation was the best and detailed without adding unnecessary complicated details I could find. You did really great job. I am looking forward to learning more from you
You're very articulate and your video is vivid professor. I learned a lot from this video. Hence subscribed and bell pressed for future notifications. Break a leg!
Thank you for a great lecture! Animations are amazing and intuitive. ありがとうございます。
A quick question, professor.
In the chapter "Optical constants"(1:11) it was explained that the n value is related to the wavelength(λ) and the extinction coefficient(k) is to amplitude.
But in the chapter "Ellipsometry"(7:12), the single variable test, instead, shows that the changes in the n value result in the amplitude of the reflected wave,
and the k value change leads to the change of the phase of the reflected wave, which is a quite opposite concept that I've understood from the former chapter.
I think I understood wrong somewhere. Where did I get it wrong?
I'll really appreciate it if you could let me know, or recommend some other studying materials or related papers.
Thank you very much for your good question! The important point is that, in ellipsometry, only the relative values of p- and s-polarizations are characterized. The increase in n leads to the relative amplitude change mainly because the amplitude of p-polarization decreases, which can be related to light refraction properties of materials [please see Fig. 2.19 in “Spectroscopic Ellipsometry: Principles and Applications” (Wiley, 2007) for further understanding]. For the change of delta with k, unfortunately, there is no intuitive way to explain the phase lag between p- and s-polarizations.
Hi, I was reading your question, and I think I have an answer for it. In (1:11), we are talking about n and k as the electric field component enters (the wave is refracted) into a material with an index of refraction n. In the minute (7:12), the electric field does not enter the material (the wave is reflected), leading to the different behavior of the electric field components, which is explained as the phase difference between X and Y electric field components. Both, reflection and refraction are different concepts and have different effects on the behavior of the wave.
Please continue Dr. Fujiwara. To be honest your explanation was the best and detailed without adding unnecessary complicated details I could find. You did really great job. I am looking forward to learning more from you
Thanks a lot Prof. Hiroyuki Fujiwara! Very nice lecture.
Thanks Prof Fujiwara. Quite vivid 3D animations.
Excellent! Best animation for really understanding such phenomena!
You're very articulate and your video is vivid professor. I learned a lot from this video. Hence subscribed and bell pressed for future notifications. Break a leg!
One word. EPIC. Sharing this with my students.
This guy is spreading knowledge in a Japanese manner. I like it. Keep going!
This guy is spreading knowledge - period. I like it. Keep going!
Best video on Ellipsometry. Please make more video on other topics...
Excellent. Thanks a lot.
Such a helpful video ! Keep up the good work
Decent work !
Thank you for great explanation and clear animation.
Thanks for great explanation, Doc.
What is this great Video, Really thank you Sir
best lecture ever
Excellent video 👏
Very easy to understand， I relly appreciate it
great explanation !!
Excellent! Make more videos on other topics of your expertise.
I absolutely love it
Very nice.
Thank you
SPECIAL THANKS PROF
great video
Thanks, I don't quite understand it, but I think I know a little bit about polarization, which has been difficult for me.
I wish I watched this during my university years
Geniousss❤❤❤
Thanks🙏