Laser optical system

Details Laser optical system Laser optical system

1989-02-21

1990-10-16

Arnold, Bruce Y.

350370, G02B 2728

Patent

active

049630032

ABSTRACT:
A laser optical system is designated to obtain Gaussian beams by correcting phases of laser beams emitted from a laser which oscillates on transverse multimodes. A spectral element is adapted to separate spectroscopically the laser beams in each transverse multimode which are emitted from the laser in such a way that the respective transverse modes for each order appear as their corresponding luminescent points on each of the phase correcting elements. A correction is performed by the phase correcting plate so that the phase between each adjacent luminescent point becomes the same phase, whereby the laser beams are reflected to the spectral element. The laser beams thus phase-corrected are combined into one, thereby obtaining Gaussian beams.

REFERENCES:
patent: 3877789 (1975-04-01), Marie
patent: 4643534 (1987-02-01), Chun et al.
patent: 4703992 (1987-11-01), Yeh
patent: 4810047 (1989-03-01), Pernick
patent: 4832446 (1989-05-01), Miyagawa
patent: 4832469 (1989-05-01), Noguchi et al.

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