Laser alignment system

Details Laser alignment system Laser alignment system

1975-10-31

1977-03-01

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

219201, 331 945S, 331 945T, G01J 120

Patent

active

040103633

ABSTRACT:
A gas laser has a tube for producing a laser beam and a plurality of heaters around the tube. A detector responds to a misalignment of the laser sending a response to control circuits for the heaters. In response to detector's output, the heater control circuits regulate the heaters so as to heat selective portions of the tube. The tube bends due to the heat resulting in a realignment of the laser.

REFERENCES:
patent: 3252110 (1966-05-01), Gustafson et al.
patent: 3528206 (1970-09-01), Baird
patent: 3579140 (1971-05-01), Anderson
patent: 3588737 (1971-06-01), Chow

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