Brillouin-Light-Scattering Spectroscopy
Brillouin-Light-Scattering Spectroscopy
Brillouin-Light-Scattering Spectroscopy
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Linear<br />
relation:<br />
Δν<br />
( Δl)<br />
= ν<br />
R<br />
Fabry-Pérot interferometer<br />
−ν<br />
=<br />
c<br />
λ<br />
Maximal transmission:<br />
R<br />
⎛<br />
⎜<br />
⎜ 1<br />
1−<br />
⎜ Δl<br />
⎜ 1+<br />
⎝ lR<br />
Benjamin Jungfleisch SFB/TR49 Student Seminar 20th to 21th of July 2010<br />
⎞<br />
⎟<br />
⎟<br />
⎟<br />
⎟<br />
⎠<br />
=<br />
c<br />
λ<br />
R<br />
l<br />
R<br />
l =<br />
Δl<br />
+ Δl<br />
m<br />
optical bandpass<br />
freuquency measurement<br />
⎛ Δl<br />
⎞<br />
λ(<br />
Δl)<br />
= λ ⎜ + ⎟<br />
R 1<br />
⎝ lR<br />
⎠<br />
≈<br />
λ<br />
2<br />
c<br />
λ<br />
R<br />
Δl<br />
l<br />
for lR= 0,3 mm: Δν= 500 GHz<br />
R
Change language