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Laser-Induced Damage in Optical Materials
book

Laser-Induced Damage in Optical Materials

by Detlev Ristau
December 2014
Intermediate to advanced content levelIntermediate to advanced
551 pages
23h 57m
English
CRC Press
Content preview from Laser-Induced Damage in Optical Materials
110
Laser-Induced Damage in Optical Materials
collisions with longitudinal optical phonons. A simplified equation for the ava-
lanche rate (Sparks 1975),
w
Ae Ft
m
A
AV Sp
K
CK
ph
L
_
()
,=
+
()
22 2
22
1
τ
ωτ
ω
τ
Δ
Δ
(4.46)
suggests linear scaling of the rate with laser irradiance I and includes a constant coe-
cient A, average phonon energy ω
ph
, total scattering rate 1/τ
L
that includes all types of
electron-particle scattering, and time of electron-momentum relaxation τ
K
for large-
angle scattering on phonons. Evaluation of the relaxation rate and time of Equation
4.46 is quite challenging and is usually done either by tting experimental data on LID
or by numeric ...
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Publisher Resources

ISBN: 9781439872161