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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
485Lithography in the Deep Ultraviolet and Extreme Ultraviolet
Chapter 17
a parameter dened by the pulse count times the uence squared and divided by the
pulse length τ, being proportional to the number of two-photon occurrences within the
sample. Obviously, all the data points lie close to a single straight line, justifying a power
law dependence of the kind
Δ
=
ρ
ρτ
u
c
k
NH
2
.
(17.3)
For the exponent c, a value between 0.65 and 0.7 is determined, indicating a sublinear
pulse count dependence, which was described by relaxation of bridging bonds upon
two-photon absorption (Piao et al. 2000). e value of c ~ 2/3 is in agreement with com ...
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Publisher Resources

ISBN: 9781439872161