Z-scan measurement of the ground and excited state absorption cross sections of Cr/sup 4+/ in yttrium aluminum garnet

Z-scan measurements of the ground and excited state absorption cross sections of Cr/sup 4+/-doped yttrium aluminum garnet are reported. These quantities are found to depend on crystal preparation but are independent of temperature from -60/spl deg/C to 98/spl deg/C. Their ratio is shown to weakly de...

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Bibliographic Details
Published in:IEEE journal of quantum electronics 1999-07, Vol.35 (7), p.1086-1091
Main Authors: Guohua Xiao, Jin Hong Lim, Yang, S., Van Stryland, E., Bass, M., Weichman, L.
Format: Article
Language:English
Subjects:
Absorption
Aluminum
Chromium
Energy states
Garnets
Manufacturing
Nonlinear optics
Optical materials
Optical saturation
Yttrium
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Summary:Z-scan measurements of the ground and excited state absorption cross sections of Cr/sup 4+/-doped yttrium aluminum garnet are reported. These quantities are found to depend on crystal preparation but are independent of temperature from -60/spl deg/C to 98/spl deg/C. Their ratio is shown to weakly determine the energy output of a passively Q-switched Nd:glass laser using this material as the saturable absorber.
ISSN:0018-9197
1558-1713
DOI:10.1109/3.772180