Laser stabilization device

Details Laser stabilization device Laser stabilization device

1988-08-18

1989-04-18

Scott, Jr., Leon

Coherent light generators

Particular beam control device

Optical output stabilization

372 37, 372 20, 372 34, H01S 313

Patent

active

048233480

ABSTRACT:
Frequency stabilization is disclosed for a laser device, wherein the laser tube is provided with end mirrors which are mounted in extensions at the respective ends of the laser tube. The laser tube extensions have reduced sections which are movable to allow adjustment of the end mirrors in the laser device. The reduced sections are preferably made of metallic material. The means to stabilize frequency provided is the application of heat or current or both to and around a reduced metallic section in the laser tube extension. This may be accomplished by the passing of current through a wire wrapped around the reduced metallic section. The passing of such current causes the reduced metallic section to contract and expand along an axis in line with the laser tube, and as well as a magnetic field is induced upon the gaseous medium within the laser tube. By such means controlled by suitable circuitry, laser frequency stabilization is accomplished. The means provided may be mounted on commercially available laser devices.

REFERENCES:
patent: 4232274 (1980-11-01), Tokudome et al.
patent: 4293223 (1981-10-01), Seaton
patent: 4387462 (1983-06-01), Markus
patent: 4425651 (1984-01-01), Popp et al.
patent: 4468773 (1984-08-01), Seaton
patent: 4475197 (1984-10-01), Tanton
patent: 4672618 (1987-06-01), Wyntjes et al.
patent: 4779279 (1988-10-01), Brown

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