Frequency conversion of optical radiation

Coherent light generators – Particular beam control device – Nonlinear device

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372 21, 372 71, 372 75, H01S 310

Patent

active

048842770

ABSTRACT:
An intracavity frequency-modified laser of improved amplitude stability is obtained through the use of a plurality of nonlinear optical crystals within the laser cavity. Extremely low noise operation of such a multiple crystal laser is achieved by measuring the noise in its output radiation as a function of the temperature of its optical cavity and maintaining the cavity temperature at a value that results in low noise production during subsequent operation.

REFERENCES:
patent: 3735280 (1973-05-01), Johnston, Jr.
patent: 4731795 (1988-03-01), Clark et al.
patent: 4791631 (1988-12-01), Baumert et al.

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