Laser beam modulating method and apparatus

Details Laser beam modulating method and apparatus Laser beam modulating method and apparatus

1983-03-23

1986-04-08

Buczinski, S. C.

Electric heating

Metal heating

By arc

350272, 350274, B23K 900, G02B 2602

Patent

active

045815151

ABSTRACT:
A laser beam modulating method is characterized in that the distribution of power density of the laser beam is changed by closing and opening a passage for the laser beam from a laser resonator. An apparatus for carrying out the method includes a modulator for opening and closing the passage for the laser beam from the laser resonator to a laser processing head assembly.

REFERENCES:
patent: 3435213 (1969-03-01), Colbow et al.
patent: 3942878 (1976-03-01), Engel et al.
patent: 4118619 (1978-10-01), McArthur et al.
patent: 4165919 (1979-08-01), Little
patent: 4202602 (1980-05-01), Torres
patent: 4335296 (1982-06-01), Bredow
patent: 4409463 (1983-10-01), Duruz et al.
patent: 4412120 (1983-11-01), Duruz et al.
patent: 4434349 (1985-02-01), Tsutsumi

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