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Scattering of light due to transparent object in air

Posted 24 janv. 2022, 02:02 UTC−5 Wave Optics 1 Reply

Ivan Ostrovsky
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Hello, My mission is to simulate a scattering experiment of a small laser beam by a 100micron object in air. The object is transparent and has a refractive index gradient. Is this possible in Comsol software?

Thanks, Ivan

1 Reply Last Post 27 janv. 2022, 22:00 UTC−5
Osamu Konda
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Posted: 3 years ago 27 janv. 2022, 22:00 UTC−5

Mr. Ivan

Hi

I'm not a COMSOL advisor, however I think it can be done depending on the detailed conditions.

In the case of a refractive index with a gradient, I think it is necessary to define the refractive index information of the material using a function.

With this software, you can specify arbitrary functions or import data sources to generate interpolation functions, so you need to use those techniques.

The following gallery models may be helpful to you.

https://www.comsol.jp/model/self-focusing-14639 https://www.comsol.jp/model/nanorods-14693

Mr. Ivan Hi I'm not a COMSOL advisor, however I think it can be done depending on the detailed conditions. In the case of a refractive index with a gradient, I think it is necessary to define the refractive index information of the material using a function. With this software, you can specify arbitrary functions or import data sources to generate interpolation functions, so you need to use those techniques. The following gallery models may be helpful to you. https://www.comsol.jp/model/self-focusing-14639 https://www.comsol.jp/model/nanorods-14693

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