Waveguides Explained

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What is a waveguide and why is everybody talking about them? This video will explore the fundamental reasons behind the use of waveguides, which include acoustic, RF, and optical guides. They all operate on fundamentally the same principle - they confine waves to a small region of space and allow low power loss over large distances. I also explain how they are analyzed (in terms of the input frequency), and the critical concepts of the 'shape' of light, as well as dispersion in a waveguide.

This is part of my graduate series on optoelectronics / photonics, and is based primarily on Coldren's book on Lasers as well as graduate-level coursework I have taken in the EECS department at UC Berkeley.

Hope you found this video helpful, please post in the comments below anything I can do to improve future videos, or suggestions you have for future videos.

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Thank you sir this was extremely helpful, because before tackling any subject, I shall know the reason why it's useful, and this made it happen

joemoukawam

So, I am someone who graduated from college in 2019, and now I am back in masters after almost 5 years, I must say I really really wish I had access to such wonderful content and resources back when I was in school and in early years of my undergrad. This is pure gold.

QuantumGirl

Did he just explained it better than Mr. Feynman himself. I truly appreciate it. I was looking up in Feynman lectures to understand waveguides, a bit confused and searched on YouTube to find yours. And it's incredible.

abhaypillai

I'm also new in photonics, I did my undergrad project about tapered fiber, and now i'm pursuing my studies in Bath, UK, also in the same field. You helped me alot in understanding the real concept of waveguide. Thank you so much!

athirahsyamimi

One of the best simple demonstrations on this topic. Well done and thank you.

reztaft

This was a very helpful video while I was trying to understand zero-mode waveguide technology. Really nice analogy! Thank you so much

sernuryldz

I hope that one day you'll go back and finish your lessons on Optics and Optical Technologies. You are a great teacher.

rosarionapoli

Thanks so much for the explanation. I find it really useful to learn a concept before math gets involved and I then learn the specific formula(s) involved.

a

Holy cow this video is amazing. Thank you so much

leithrogers

Thank you very much sir after visiting many channels finally i got the real one from which i understood that what mode profile is

Vikashjnv

Jordan your videos are just amazing both contentwise and presentationwise!

sonusarraf

Studying this right now in Microwaves lectures. Cilindrical, rect, microstrip waveguides and so on. It's amazing but kinda scary at the same time to calculate those monstrous fields

Ganjalf_the_Green

This is a godsend for me. Please make more videos.

blk

Great video! For the first time, I understood what mode profile means. Thank you 🙂

snigdhachandratre

hy,
Thanks for your help.I would like to ask you one question about waveguide & electromagnetic radiations in Radar.
->> When we generate an RF signals >>then we amplifier , before the signal enter the waveguide:
Here is the signal electromagnetic or analogue:
If analogue where to turn to electromagnetic.
If electromagnetic dose waveguide responsible for converting analogous to electromagnetic signal

Oussama-grxu