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calculate transmittance using ray tracing

Posted 2014/03/29 21:13 JST Version 5.0 4 Replies

Jing Ning
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Owe to some optical element are far greater than the wavelength,so I try to use geometrical optics to simulate the light propagate in optical element. But how to calculate the transmittance in it. A simplest problem iswhen a ray passes from air to water, how to calculate the energy of the reflected and refracted light with ray tracing method.
Thanks!
4 Replies Last Post 2014/11/14 6:59 JST
Pu
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Posted: 1 decade ago 2014/03/30 1:24 JST
Which module are you using? Does the equations solved there really contain more information than traced ray?

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Pu, ZHANG
DTU Fotonik
Which module are you using? Does the equations solved there really contain more information than traced ray? -- Pu, ZHANG DTU Fotonik
Jing Ning
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Posted: 1 decade ago 2014/03/31 10:43 JST
Thanks for your reply. I used geometrical optics to solve it. But I can noly obtain the track of the ray. I wish to calculate the transmittance of every refracted and reflected ray.
Thanks for your reply. I used geometrical optics to solve it. But I can noly obtain the track of the ray. I wish to calculate the transmittance of every refracted and reflected ray.
Pu
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Posted: 1 decade ago 2014/03/31 14:40 JST
I never used geometrical optics module, but I doubt it holds more information than ray trace.

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Pu, ZHANG
DTU Fotonik
I never used geometrical optics module, but I doubt it holds more information than ray trace. -- Pu, ZHANG DTU Fotonik
Daniel Smith COMSOL Employee

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Posted: 1 decade ago 2014/11/14 6:59 JST
This is now possible using the new Ray Optics Module which was released with V5.0:

www.comsol.com/ray-optics-module

Some example models can be found here:
www.comsol.com/models/ray-optics-module

Dan
This is now possible using the new Ray Optics Module which was released with V5.0: http://www.comsol.com/ray-optics-module Some example models can be found here: http://www.comsol.com/models/ray-optics-module Dan

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