Active pressure regulator for a gas laser

Details Active pressure regulator for a gas laser Active pressure regulator for a gas laser

1983-05-06

1985-10-15

Sikes, William L.

Coherent light generators

Particular active media

Gas

372 59, H01S 322

Patent

active

045478856

ABSTRACT:
An improved gas laser is disclosed. The laser has a support tube to support and to maintain the alignment of the optical resonator structure. The gas lasing medium is used within the support tube to maintain the tube at a substantially constant temperature above the ambient. Furthermore, an active temperature controller is disclosed. The temperature controller maintains the gas lasing medium in the support tube at a substantially constant temperature. An active pressure controller is also disclosed. The active pressure controller uses a pressure sensor, an electronic processor, and a motor-driven needle valve to maintain the pressure of the gas lasing medium in the laser within the desired operating pressure range. The laser can also be switched in operation from a continuous mode to a pulsing mode. An active power control system is disclosed wherein the power output of the laser, through an active feedback loop is maintained at the desired level. Because the optical resonator structure is light weight, it can be mounted on a mechanical assembly. The beam is delivered to a desired location by the mechanical assembly. Finally, a distributive lasing system comprising a centralized pump delivering the lasing medium to a plurality of remotely located optical resonator structure is disclosed.

REFERENCES:
patent: 3566304 (1971-02-01), Neusel et al.
patent: 4429392 (1984-01-01), Yoshida et al.

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