Some characteristics of near-infrared He-Ne laser radiation

Stimulated emission was obtained from a small (resonator length approx.0.5 m) prototype He-Ne laser emitting simultaneously at wavelengths of 1.0798, 1.1614, and 1.1985 ..mu.. (common upper level 2S/sub 3/), at 1.0844, 1.1523, and 1.1767 ..mu.. (common upper level 2S/sub 2/), and at 3.3913 ..mu.. wi...

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Veröffentlicht in:	Sov. J. Quant. Electron. (Engl. Transl.); (United States) 1976-08, Vol.6 (8), p.992-994
Hauptverfasser:	Kasel'skiĭ, V A, Ostapchenko, E P, Ryabov, A I, Stepanov, V A
Format:	Artikel
Sprache:	eng
Schlagworte:	420300 - Engineering- Lasers- (-1989) ELECTROMAGNETIC RADIATION EMISSION EMISSION SPECTRA ENERGY-LEVEL TRANSITIONS ENGINEERING GAS LASERS HELIUM-NEON LASERS INFRARED RADIATION LASER CAVITIES LASERS NEAR INFRARED RADIATION POWER RADIATIONS SPECTRA STIMULATED EMISSION
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Zusammenfassung:	Stimulated emission was obtained from a small (resonator length approx.0.5 m) prototype He-Ne laser emitting simultaneously at wavelengths of 1.0798, 1.1614, and 1.1985 ..mu.. (common upper level 2S/sub 3/), at 1.0844, 1.1523, and 1.1767 ..mu.. (common upper level 2S/sub 2/), and at 3.3913 ..mu.. with an upper level 3S/sub 2/. Competition between the transitions coupled by common energy levels was observed. The output power of each of the competing transitions varied periodically and the period was ..delta..L=lambda/sub 1/lambda/sub 2//2(lambda/sub 1/ -lambda/sub 2/). Waveguide emission at wavelengths of 1.15 and 3.39 ..mu.. was observed in a resonator with large diffraction losses. (AIP)
ISSN:	0049-1748 2169-530X
DOI:	10.1070/QE1976v006n08ABEH011808