Optical pumping laser system

Details Optical pumping laser system Optical pumping laser system

1985-10-17

1987-07-28

Wan, Gene

Coherent light generators

Particular resonant cavity

Specified cavity component

372 99, H01S 308

Patent

active

046835768

ABSTRACT:
An optical pumping laser system is provided with a resonator suitable for a continuous oscillation having a relatively low gain. The laser system comprises an optical plate such as an etalon plate functioning as a Brewster plate with respect to a pumping beam and also functioning as a reflection mirror with respect to an oscillation laser beam, and a total reflection mirror spaced apart from the optical element so as to define a laser amplification region. The laser system further comprises an output mirror arranged relative to the optical plate to output the oscillation laser beam separated from the pumping beam by the optical element functioning as the reflection mirror. Thus, this laser system provides a uniform pumping of a laser medium having a relatively large cross-section, thus providing improved excitation efficiency and mode quality. Further, this laser system is configured such that the output mirror is not substantially exposed to the pumping beam, thus providing increased output power and improved stability of the entire system.

REFERENCES:
Walter Leeb, "Losses Introduced by Tilting Intercavity Etalons", Applied Physics, 1975, pp. 267-272.
IEEE Journal of Quantum Electronics, vol. QE-16, No. 5, May 1980, "Pulsed FIR Emission from Isotonic Methyl Fluoride", by W. A. Peebles et al.

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