Q-switched laser

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United States of America Patent

PATENT NO 6778563
APP PUB NO 20020181513A1
SERIAL NO

09873372

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A microchip laser arrangement is disclosed. The arrangement is operative to emit Q-switched laser pulses at 1.54 .mu.m. The lasing medium of the laser arrangement is preferably comprised of Yb:Er-glass, and the Q-switch is comprised of a saturable absorber of cobalt doped spinel crystal. The lasing medium is preferably bonded to the absorber to form a monolithic body, upon the surface of which there are deposited dielectric stacks forming a resonant laser cavity. Pumping of the active medium is performed by means of an InGaAs laser diode emitting light at 0.97 .mu.m, corresponding well with the absorption of the Yb:Er-glass material.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
COBOLT ABSTOCKHOLM11

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Denker, Boris Ilich Moscow, RU 1 6
Galagan, Boris Ivanovic Moscow, RU 1 6
Karlsson, Gunnar Kungsangen, SE 4 23
Laurell, Fredrik Danderyd, SE 12 77
Pasiskevicius, Valdas Lidingo, SE 4 9
Sverchkov, Sergei Evgenievich Moscow, RU 1 6

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