Laser casting apparatus and method

Details Laser casting apparatus and method Laser casting apparatus and method

1995-02-08

1997-09-30

Evans, Geoffrey S.

Electric heating

Metal heating

By arc

21912173, 21912177, 362259, B23K 2606

Patent

active

056722850

ABSTRACT:
A laser casting apparatus includes a laser light source, a phase disturbing device for disturbing a phase of laser light output from the laser light source, and a beam forming device for forming a beam of a predetermined shape. The formed beam is cast on a work after decomposing the laser light in to beams each having a small area and then superposing the decomposed beams. The phase disturbing device disturbs the phase of the light in a manner so that the superimposed beam formed of the decomposed beams has a uniform energy distribution without interference fringes.

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patent: 5479238 (1995-12-01), Whitney

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