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Reflections of Thin film on the slab

Posted 2009年12月17日 GMT-5 04:30 RF & Microwave Engineering Version 5.2 2 Replies

Amir
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Hi!
i have some problems with simulating a problem about reflected and transmitted spectrum of a thin film of Si on the Silica slab because of multiple reflections of white light. (the thin film has variable height across the slab)
i have no idea how could i start the simulation of this.
and also i want to know that is it possible to simulate the visual appearance of this spectrum (as it seen by means of colors)?

please help me with this...
Thank you very much
Amir
2 Replies Last Post 2016年6月8日 GMT-4 16:09
COMSOL Moderator

Hello Amir

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Yupeng Piao
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Posted: 8 years ago 2016年6月7日 GMT-4 04:20
Hi, would you please tell me how to simulate a white light which is non-polarized?
Hi, would you please tell me how to simulate a white light which is non-polarized?
Robert Koslover Certified Consultant
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Posted: 8 years ago 2016年6月8日 GMT-4 16:09
You might want to consider working with the scalar-wave equation setup provided in the Comsol Multiphysics-included basic (aka, "mathematics") package. But... I suspect you'd be better off using an actual optics code. I suspect that Comsol's RF and wave-optics models are more suitable if/when you actually know something about the vector-field waveform of interest, whether or not you choose to treat it as a fixed-frequency (sinusoidal) or a time-domain waveform. Just my two cents.
You might want to consider working with the scalar-wave equation setup provided in the Comsol Multiphysics-included basic (aka, "mathematics") package. But... I suspect you'd be better off using an actual optics code. I suspect that Comsol's RF and wave-optics models are more suitable if/when you actually know something about the vector-field waveform of interest, whether or not you choose to treat it as a fixed-frequency (sinusoidal) or a time-domain waveform. Just my two cents.

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