Temperature stabilization of laser cavities

Details Temperature stabilization of laser cavities Temperature stabilization of laser cavities

1984-02-24

1987-06-23

Wise, Robert E.

Coherent light generators

Particular operating compensation means

372 34, H01S 300

Patent

active

046758747

ABSTRACT:
A system is provided for compensation of maladjustments caused by operational and/or environmental factors in laser resonant cavities of the folded type, which employs a support construction of a light weight construction double T-profile section. The present construction allows the construction of low cost, powerful lasers with substantially reduced mass and volume and of a sufficient temperature stability for industrial applications. A thermal carrier medium flowing through all supports and mountings for all optical components is brought from an ambient temperature to an increased temperature and serves as a control medium for the optical components. In addition, the optical components in each case are disposed on a three point support each employing at least two different thermal expansion coefficient materials, which optical components are adjusted exactly at the increased temperature, and where occurring maladjustments or, respectively the factors causing maladjustments are determined in a suitable way, are evaluated in a corresponding evaluation circuit and are defined as reference values for the temperature of the thermal carrier medium for readjustment of the optical components.

REFERENCES:
patent: 3969688 (1976-07-01), Freiberg et al.

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