Laser-surface coupler

Details Laser-surface coupler Laser-surface coupler

1982-03-29

1984-10-30

Albritton, C. L.

Electric heating

Metal heating

By arc

219121LQ, 219121LR, 219121FS, B23K 2700

Patent

active

044801688

ABSTRACT:
The laser-surface coupler is used to uniformly irradiate a well defined surface area with a laser beam. The coupler includes a lower masking section and an upper section to form a cavity. The masking section has inner surfaces which are highly reflective and lustrous, and an aperture to define the surface area to be irradiated. The upper section has an opening to receive the laser beam into the cavity, and a highly reflective and diffuse inner surface to reflect and diffuse any radiation reflected to it from the irradiated surface. The coupler recycles any reflected radiation from the laser beam increasing the absorption coefficient and the irradiated surface is precisely defined by the masking section without loss of energy.

REFERENCES:
patent: 3757078 (1973-09-01), Conti et al.
patent: 4167662 (1979-09-01), Steen
patent: 4288678 (1981-09-01), Rocca

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