Energy beam focusing apparatus and method

Details Energy beam focusing apparatus and method Energy beam focusing apparatus and method

1983-04-29

1985-11-12

Albritton, C. L.

Electric heating

Metal heating

By arc

219121LP, 219121LQ, 219121LT, B23K 2600

Patent

active

045530173

ABSTRACT:
Apparatus and method for increasing the power density of an energy beam (e.g. a laser beam) by focusing an incident beam to an anisometric configuration and thereafter focusing the anisometric beam to a modified, preferably isometric, configuration. A serrulate reflective surface facilitates the splitting of an incident beam into a plurality of high energy reflected beams, and the technique is of utility in perforating webs, such as polyolefin films.

REFERENCES:
patent: 3931491 (1976-01-01), Stumpf
patent: 4250372 (1981-02-01), Tani
patent: 4297559 (1981-10-01), Whitman, III
patent: 4315130 (1982-02-01), Inagaki et al.
patent: 4378480 (1983-03-01), Langhans

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