Frequency stabilization of LNA laser to the helium absorption lines

Autor:	M. Meyerhoff, L. D. Schearer, M. Werner, Werner Heil
Rok vydání:	1990
Předmět:	Materials science Tunable diode laser absorption spectroscopy Absorption spectroscopy business.industry Laser pumping Laser law.invention Optical pumping Optics Solid-state laser law Optical cavity business Instrumentation Fabry–Pérot interferometer
Zdroj:	Review of Scientific Instruments. 61:2549-2551
ISSN:	1089-7623 0034-6748
DOI:	10.1063/1.1141914
Popis:	We describe and compare three methods we have used to stabilize the frequency of an end‐pumped, tunable La0.85Nd0.15MgAl11O19 (LNA) laser to the absorption lines of 4He or 3He near 1083 nm. The first two methods vary the thickness of an intracavity etalon which is used for tuning and narrow banding of the laser output. The third method varies the length of the laser cavity. All three methods yield satisfactory stabilization of the laser frequency although controlling the tilt angle of a solid etalon is the simplest and most reliable method.
Databáze:	OpenAIRE
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