Broadly tunable chromium-doped beryllium aluminate lasers...

Details Broadly tunable chromium-doped beryllium aluminate lasers... Broadly tunable chromium-doped beryllium aluminate lasers...

H - Electricity

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345/43

H01S 3/02 (2006.01) H01S 3/106 (2006.01) H01S 3/16 (2006.01)

Patent

CA 1126844

ABSTRACT OF THE DISCLOSURE BROADLY TUNABLE CHROMIUM-DOPED BERYLLIUM ALUMINATE LASERS AND OPERATION THEREOF A high power, broadly wavelength-tunable laser is provided which comprises as the laser medium particular single crystals of chromium-doped beryllium aluminate (BeA12O4:Cr3+) having the chrysoberyl structure,a pumping source for exciting the laser medium and a tuningA device. The laser may be operated over a broad temperature range from cryogenic temperatures to elevated temperatures. Elevated temperatures are preferred, however, since they result in higher laser gain. Emission is in a spectral range from ; red to infrared, and the laser is useful in the fields of defense, communications, isotope separation, photo- chemistry, etc.

336960

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