Laser beam focusing head

Details Laser beam focusing head Laser beam focusing head

1985-10-11

1987-08-04

Albritton, C. L.

Electric heating

Metal heating

By arc

219121LR, 219121FS, B23K 2606

Patent

active

046847804

ABSTRACT:
Laser beam focusing head having an unfocused-beam input, a focused-beam output and a lens located between the said input and the said output; the said head comprising a reflecting mirror between the said lens and the said output, and the said lens being located in such a position as to be directly invisible by the said output.

REFERENCES:
patent: 3582466 (1971-06-01), Quirk
patent: 3749878 (1973-07-01), Sullivan et al.
patent: 4048464 (1977-09-01), Gale et al.
patent: 4358659 (1982-11-01), Spohnheimer
patent: 4390774 (1983-06-01), Steen et al.
patent: 4467171 (1984-08-01), Ramos

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