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1 March 1992 Spectroscopy of laser active media
Thomas J. Glynn
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Proceedings Volume 1603, Education in Optics; (1992) https://doi.org/10.1117/12.57876
Event: Education in Optics, 1991, Leningrad, Russian Federation
Abstract
Familiarity with the energy level structure in the active medium of a laser can help in understanding why particular pumping mechanisms are employed and how population inversion is achieved. Also, the allowed modes of operation (CW, pulsed, Q-switched, etc.) of a laser system are dictated by the excitation and decay kinetics of the excited states. Optical spectroscopic studies of the active media can provide insight into the operation of the different types of lasers and at the same time illustrate spectroscopic techniques as well as aspects of the energy level structure of solid, liquid, and gaseous media. A range of experiments and exercises are described illustrating concepts which are common to courses, both in optical spectroscopy and in the physics of lasers, and which could form a useful experimental option to such courses.
© (1992) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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Thomas J. Glynn "Spectroscopy of laser active media", Proc. SPIE 1603, Education in Optics, (1 March 1992); https://doi.org/10.1117/12.57876
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KEYWORDS
Laser spectroscopy
Spectroscopy
Semiconductor lasers
Helium
Helium neon lasers
Spectroscopes
Absorption
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