|Message: Re: Optical Surfaces and Sigma_Alpha||Not Logged In (login)|
Click on the Forum title, e.g. on the "Forums by Category" page, to read a sequence of postings to the Forum and its threads all in one page. If you are only interested in one thread or the thread following a specific posting, click the thread or the posting, which takes you to a smaller page, which contains only the part you are interested in and may be easier to navigate.
Messages are "chained" if there are only replies at the first level, i.e. 1/1.html, 1/1/1.html etc. In case of "chained" messages the message number is replaced by the icon and there is no indentation.
Inline: Display the subject line only or also the text of the posting(s); for the choice "All" the "Outline" choices are switched off.
|1||0||1||no text / full text of posting|
|2||1||All||text for level 1 only / text for All postings|
Outline: Choose the depth of the posting thread, successive toggle controls provide increasing detail.
|1||2||1||2 levels / 1 level (original posting)|
|2||3||2||3 levels / 2 levels|
|3||3||All||3 levels / all levels (all postings)|
> a) is there a practical difference between "polishedbackpainted" and
> "groundbackpainted" with "prob_ss = 1.0"?
no, prob_ss = 1.0 turns 'ground' into 'polished'
> b) ... and "groundbackpainted" with "prob_sl = 1.0" + "sigma_alpha =
> 0.0"? (I just found out: this should be treated exactly as the case
again, no, sigma_alpha = 0 turns 'ground' into 'polished'
> c) is there a practical difference between "dielectric_metal" +
> "polished" and "polishedfrontpainted"?
> d) I am biasing my scintillation yield down from 9200 to 92 photons/MeV
> and weight my results to save CPU time. Is that too much? It looks good
> to me, though.
this question is for you to decide; it'll depend on the statistics you require to maybe see subtleties
> However, that will only make sense if I define a physical air gap and
> set the "specular lobe" & "sigma_alpha" for the back surface, right?
> Because with a "painted" surface it would affect the front interface
> (scintillator-gap) ...
with the "painted" option the reflector is always Lambertian either as a backup to a gap or directly on the scintillator.
|Inline Depth:||Outline Depth:||Add message:|