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Forum: Processes Involving Optical Photons
Re: Question How to define the WLS quantum yield (vesna cuplov)
Date: 02 May, 2012
From: Gumplinger Peter <Gumplinger Peter>

> How do I specify the quantum yield for that process?

With WLSABSLENGTH, the absorption length for the primary photon to produce a WLS photon. Moreover, there is now also the option to define a WLSMEANNUMBERPHOTONS which allows you to specify that more than one WLS photon is emitted for every primary photon.

> But from my simulation, I do not get enough fluorescent photons. The yield for > that fluorophore is supposed to be 0.79.

How do you know the 'yield'? What do you define as 'yield'? Any WLS photon 'yield' must depend on geometry, how the WLS medium is irradiated by the primary radiation etc. Moreover, if you define as 'yield' the WLS photons detected, this also depends on how they are reabsorbed, lost at reflections etc. So, the simulated result depends on many factors.

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1 None: Re: How to define the WLS quantum yield   (Sarah Eno - 09 Jul, 2012)
(_ Feedback: Re: How to define the WLS quantum yield   (Gumplinger Peter - 10 Jul, 2012)
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