Non-linear optical effect frequency conversion laser

Details Non-linear optical effect frequency conversion laser Non-linear optical effect frequency conversion laser

1992-05-14

1993-11-23

Bovernick, Rodney B.

Coherent light generators

Particular beam control device

Nonlinear device

372 22, H01S 310

Patent

active

052651100

ABSTRACT:
A non-linear optical effect frequency conversion laser of the present invention which can stabilize the oscillation frequency thereof, and which can convert the frequency of laser light emitted by a laser light source using a ring resonator composed of a non-linear optical element comprises a thermoelectric conversion device provided for the laser light source to maintain a predetermined temperature thereof, a temperature sensor also provided for the laser light source to measure the temperature thereof, a comparator for comparing a detection signal in response to the temperature of the laser light source outputted from the temperature sensor with a reference voltage signal in response to a predetermined temperature, and a driver means in response to the differential voltage signal outputted from the comparator for driving the thermoelectric conversion device as a cooling device for the purpose of stabilizing the oscillation of the laser light source.

REFERENCES:
patent: 5054028 (1991-10-01), Esherick et al.
patent: 5077748 (1991-12-01), Kozlovsky et al.
patent: 5111468 (1992-05-01), Kozlovsky et al.
Applied Physics Letters of American Institutes of Physics, vol. 56, No. 23, pp. 2291-2292, Jun. 4, 1990 "Generation of 41 mW of Blue Radiation by Frequency Doubling of a GaAlAs Diode Laser", Kozlovsky et al.

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