All Questions
Tagged with absorption units
4
questions
0
votes
0
answers
39
views
Absorption and emission spectrum terminology
Hi everyone recently i was looking for laser crystals and since I am an autodidact i was confused by the terminology and units of the optics domain. And specialy by the absorption and emission ...
0
votes
0
answers
24
views
Pankove optical absorption equations: cgs problem?
I'm embarrassed to be asking this question here, but I've been beating my head against an equation for two weeks and can't get the numbers to work. I'm trying to plug in numbers into Jacque Pankove's &...
0
votes
1
answer
81
views
How do units work when integrating a distribution that has units?
In case some want more context, the source which I'm using (could be wrong...?) is:
https://arxiv.org/abs/physics/0202029 (Eqs. 2,5,7)
The equations of concern are:
$$\sigma_a(\omega) = \sigma_0 g(\...
8
votes
2
answers
2k
views
What is cross section?
I am learning about unit Barn, it is a unit of cross section. I know it means how likely a particle is to interact with the material, it's like opacity or transparency in optics.
What I don't ...