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anonymous

  • one year ago

I have a question that is fairly trivial. I just can't seem to get it together. I have a plane wave that's travelling in the positive z-direction. And it travels through 3 different mediums, with medium 2 being a dielectric slab. My question is: How do I write the electric and magnetic field of the plane wave inside the slab? I know how to write the incident and reflective fields, as well as the transmitted field in medium 3. but I just can't seem to express the electric and magnetic field through medium 2. Some advise would be appreciated.

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  1. IrishBoy123
    • one year ago
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    someone has very kindly posted their notes on this http://www-thphys.physics.ox.ac.uk/people/JuliaYeomans/3ElectromagneticWaves.pdf

  2. IrishBoy123
    • one year ago
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    i have actually scan-read them and they look good if you need help, i am sure i could hack away at this and make it make some sense.

  3. anonymous
    • one year ago
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    Thank you @IrishBoy123 I'll have a look at them and get back to you if I have any more questions. I just don't know what's wrong. I can write them down in the case with only two mediums. But not with three. It's so weird...

  4. IrishBoy123
    • one year ago
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    if i can't help, i know people who can :p cheers

  5. anonymous
    • one year ago
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    Wow thanks dude. Much appreciated. I'll let you know ^^

  6. anonymous
    • one year ago
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    @IrishBoy123 If I wish to write the equations for the electric and magnetic field for a plane wave inside a slab of thickness a say. How do you think I should express them so as to make them understandable? Should I write them the same as for the incident, reflected and transmitted plane wave equation, exponential form. Or do you think it would be better to write it as : \[ Asin(kz−ωt)+Bcos(kz−ωt)\] You said you knew someone who might be able to help? Think you could ask them? :)

  7. IrishBoy123
    • one year ago
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    you should talk to @Michele_Laino or @Astrophysics about this

  8. anonymous
    • one year ago
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    Will do, thanks.

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