Method of and apparataus for projecting a laser beam into light

Details Method of and apparataus for projecting a laser beam into light Method of and apparataus for projecting a laser beam into light

1988-10-28

1990-07-31

Tarcza, Thomas H.

Amplifiers

Parametric amplifiers

Semiconductor type

350 9615, H01S 300

Patent

active

049453157

ABSTRACT:
A method of and an apparatus for projecting an incident laser beam into a broad contact-type light amplifier. The laser beam is projected after the intensity distribution of the laser beam is made to coincide with the electromagnetic field distribution in the fundamental mode of the light amplifier. Since only the fundamental mode is used as the propagation mode of the light amplifier, a Gaussian beam amplified by the light amplifier is emitted. Consequently, the laser beam emitted from the light amplifier can be made into a several-micron spot by condensing the laser beam to a diffraction limit.

REFERENCES:
patent: 3525053 (1970-08-01), Chernoch
patent: 3621459 (1971-11-01), Reeves
patent: 3704427 (1972-11-01), Heywang
patent: 4655528 (1987-05-01), Chinone et al.
patent: 4785462 (1988-11-01), Keil
patent: 4787086 (1988-11-01), Dental et al.
patent: 4803686 (1989-02-01), Brock
Macomber et al., "Semiconductor Laser Power Amplifier", SPIE, vol. 723, 1986.

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