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Optics for Engineers
book

Optics for Engineers

by Charles A. DiMarzio
August 2011
Intermediate to advanced content levelIntermediate to advanced
564 pages
20h 45m
English
CRC Press
Content preview from Optics for Engineers
NONLINEAR OPTICS 449
Laser
Pump1
Pump2
Nonlinear
crystal
Conjugate
Sample
Object
(A)
Laser
Ref
Detector
Nonlinear
crystal
Sample
Object
(B)
Figure 14.7 Applications of third-order processes. A nonlinear crystal can be used to
conjugate a wave, or to amplify it. (A) Phase conjugation. (B) Wave amplification.
0
χ
[3]
E
object
+E
object
E
pump1
+E
pump1

E
pump2
+E
pump2
(14.34)
D
conj
=
0
χ
[3]
E
object
E
pump1
E
pump2
. (14.35)
If the second pump has the same wavefront shape as the rst, but is traveling in the opposite
direction
E
pump2
= CE
pump1
, (14.36)
where C is a constant, then
D
conj
=
0
χ
[3]
E
object
C
E
pump1
2
. (14.37)
This source will result in a propagating wave conjugate to E
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Publisher Resources

ISBN: 9781439807255