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  • C. Forbes Dewey, Jr.
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  • C. Forbes Dewey, Jr.
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Lasing Efficiency and Photochemical Stability of IR Laser

Author(s)
Oettinger, Peter E.; Dewey, C. Forbes Jr
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Copyright: Institute of Electrical and Electronic Engineers (IEEE) This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder. http://www.ieee.org/portal/site/mainsite/menuitem.818c0c39e85ef176fb2275875bac26c8/index.jsp?&pName=corp_level1&path=about/documentation/copyright&file=policies.xml&xsl=generic.xsl
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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.
Date issued
1976
URI
http://hdl.handle.net/1721.1/18535
Department
Massachusetts Institute of Technology. Department of Mechanical Engineering
Publisher
Institute of Electrical and Electronic Engineers
Citation
IEEE Journal of Quantum Electronics, QE-12, p.95-101, (1976)
Keywords
Lasing, Photochemical stability, IR Laser dye

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