Gas laser frequency stabilization arrangement and method

Details Gas laser frequency stabilization arrangement and method Gas laser frequency stabilization arrangement and method

1988-07-18

1990-08-28

Scott, Jr., Leon

Coherent light generators

Particular beam control device

Optical output stabilization

372 38, 372 28, 372 20, H01S 313

Patent

active

049531697

ABSTRACT:
A frequency control arrangement for a gas laser operable in two longitudinal modes of laser oscillation includes a receiver for generating a difference frequency signal formed from the two longitudinal modes and mixing the difference frequency signal with a reference signal. The resulting intermediate signal is used to control an adjusting element on the laser resonator so that the laser emission is held at a predetermined frequency value.

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"17.4 Mbit/s Heterodyne Data Transmission at 1.5 .mu.m Wavelength with Automatic endless Polarisation Control", Noe et al., 6th European Symposium on Optoelectronics (1986).
"Gas-Laser Frequency Stabilization", White, Microwaves, Jan. 1987, pp. 51-61.

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