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Question Specular lobe and specular spike constant 

Forum: Processes Involving Optical Photons
Date: 09 Nov, 2013
From: Jenny Nilsson <Jenny Nilsson>

Hello,
I have been simulating optical transport in a plastic scintillator and testing different values for the specular lobe (SL) and specular spike (SS) constant.

I have obtained some results that seems somewhat odd.

For example:
If SL = 0.7 and SS, BS = 0 then L = 0.3 and the results seems ok (BS= backscatter, L = Lambertian).

If SL = 0.7 and SS = 0.3, then the results look very much like SL = 1.
If SL = 0.9 and SS = 0.1, then the results look very much like SL = 1.

The small differences confused me so I tried with an incorrect definition for SS.

If SL = 0.7 and SS = 4 (or any other number), the code will run and the results still look very much like SL = 1.

The combination of SL and SS produce results I can't quite understand. Can someone help me sort this out?

Best regards!

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1 Feedback: Re: Specular lobe and specular spike constant   (Gumplinger Peter - 12 Nov, 2013)
(_ Ok: Re: Specular lobe and specular spike constant   (Jenny Nilsson - 14 Nov, 2013)
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