Lasing Efficiency and Photochemical Stability of IR Laser
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Dewey-1976-Lasing.pdf
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Author(s)
Oettinger, Peter E.
Dewey, C. Forbes Jr
Date Issued
1976
Publisher
Institute of Electrical and Electronic Engineers
Citation
IEEE Journal of Quantum Electronics, QE-12, p.95-101, (1976)
Abstract
The lasing efficiencies and photochemical stabilities of laser
dyes useful in the 710-1080-nm spectral region have been investigated
using a Q-switched ruby laser pumping source. The measured bleaching
rates P defined as the probability of irreversible decomposition of a dye
molecule per absorbed photon, varied from <= 1 exp-5 to 3 exp-4
for the different dye-solvent combinations investigated. Broad-band
lasing efficiencies (the ratios of dye laser output to ruby radiation
input) ranged from 4 to 43 percent. Shifts of wavelength tuning range
with variations in solvent, dye concentration, and dye laser cavity
geometry are reported.
Subjects
Lasing
Photochemical stability
IR Laser dye
MIT Department
Massachusetts Institute of Technology. Department of Mechanical Engineering
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