Lasing Efficiency and Photochemical Stability of IR Laser
Author(s)Oettinger, Peter E.; Dewey, C. Forbes Jr
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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.
Institute of Electrical and Electronic Engineers
IEEE Journal of Quantum Electronics, QE-12, p.95-101, (1976)
Lasing, Photochemical stability, IR Laser dye