All Questions
36
questions
20
votes
4
answers
16k
views
"Lack of inversion symmetry" in crystal?
Apparently (first paragraph of this article) the lack of inversion symmetry is some crystals allows all sort of nonlinear optic phenomena.
Now. Does anyone know of an intuitive or just physical ...
1
vote
0
answers
76
views
How does a liquid crystal on Silicon affect the phase of incident light?
When a polarized light beam is directed to a phase-only LCoS system how is the phase modulated ? What is the physical effect behind ?
Does voltage modulation has an impact on birefringence ?
0
votes
1
answer
1k
views
Dispersion relation of silicon
In the case of dispersion relation of silicon having crystal plane orientation 111; what is the Sellmeier's equation for refractive index $n$ of silicon orientation 111 & what it's extinction ...
0
votes
1
answer
262
views
Dichroism in uniaxial crystals
I need a same help with it. Some books where i can find a real math explanation of this effect will be good help!!
simple exp of this effect will be good too)
3
votes
0
answers
338
views
Bandgap Spacing in Photonic Crystals
I am doing some self-study on photonics and have encountered the following question:
We know that amorphous electronic crystals such as amorphous silicon have a bandgap. Can amorphous photonic ...
0
votes
1
answer
256
views
How to estimate number of Laue Spot
Why are "Laue Spots" spots instead of rings? Or is there an effective way to estimate the number of Laue spots? I can't find any formulas or theory concerning this issue. Thanks for your attention!