DocumentCode
1092767
Title
Ground state absorption in the lasing wavelength region of alexandrite: Theory and experiment
Author
Shand, Michael L. ; Walling, John C. ; Jenssen, Hans P.
Author_Institution
Allied Corporation, Morristown, NJ, USA
Volume
18
Issue
2
fYear
1982
fDate
2/1/1982 12:00:00 AM
Firstpage
167
Lastpage
169
Abstract
The ground state absorption cross section σ1 of alexandrite is determined over the tunable lasing region from 12 000 cm-1(830 nm) to 14 500 cm-1(690 nm) both from theory and from experiment. σ1 varies from 
to 
cm2over this range. The theory, which relates the emission and the ground state absorption cross sections, is verified by experiment over the entire range. This result supports the assumption of quasi-thermodynamic equilibrium among the excited multiplets of the Cr ion.
to cm2over this range. The theory, which relates the emission and the ground state absorption cross sections, is verified by experiment over the entire range. This result supports the assumption of quasi-thermodynamic equilibrium among the excited multiplets of the Cr ion.Keywords
Infrared lasers; Laser tuning; Solid lasers; Absorption; Fluorescence; Gain measurement; Laser excitation; Laser theory; Laser transitions; Optical polarization; Stationary state; Thickness measurement; Tunable circuits and devices;
fLanguage
English
Journal_Title
Quantum Electronics, IEEE Journal of
Publisher
ieee
ISSN
0018-9197
Type
jour
DOI
10.1109/JQE.1982.1071526
Filename
1071526
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