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Question Re: questions about the parameter sigma alpha and ground-, polishedbackpainted  

Forum: Processes Involving Optical Photons
Re: Question questions about the parameter sigma alpha and ground-, polishedbackpainted
Re: Feedback Re: questions about the parameter sigma alpha and ground-, polishedbackpainted (Gumplinger Peter)
Date: 01 Jul, 2011
From: <Mike>

Dear Peter,

thanks for your fast answer. I have made a mistake in my previous Email.

I have written: If the model is unified, the type is dielectric-dielectric and the finish is ground only lambertian reflection should occure. What is the difference between the reflection with sigmaalpha=0 and sgmaalpha=1? What is the physical explanation? Is the explanation the following? - sigmaalpha=0 means that there are no macro facets but there exsists surface roughness, which generates lambertian reflection? - change of sigmaalpha from 0 to 1 means that macro facets are formed with an increasing steepness from 0 to 1. Am I right?

But I meant the following: If the model is unified, the type dielectric-dielectric and the finish ground and lobe, spike and backscatter reflection set to 0 only lambertian reflection should occure. In this case what is than the difference between the reflection with sigmaalpha=0 and sgmaalpha=1? What is the physical explanation? Is the physical explanation the following? - sigmaalpha=0 means that there are no macro facets but there exsists surface roughness, which generates lambertian reflection? - change of sigmaalpha from 0 to 1 means that macro facets are formed with an increasing steepness with an increasing sigmaalpha from 0 to 1. Is this right?

Thanks for your help.

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1 Feedback: Re: questions about the parameter sigma alpha and ground-, polishedbackpainted   (Gumplinger Peter - 04 Jul, 2011)
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