Semiconductor laser source

Details Semiconductor laser source Semiconductor laser source

1993-03-12

1994-09-20

Bovernick, Rodney B.

Coherent light generators

Particular resonant cavity

Specified cavity component

H01S 308

Patent

active

053496043

ABSTRACT:
A laser diode and a lens are fixed onto a laser fixing member. A laser beam emitted from the laser diode passes through the lens, and a part of the laser beam passes through a pinhole provided to a beam restricting plate. The pinhole is formed so that its diameter is smaller than the laser beam diameter at the beam restricting plate. The laser beam is transmitted therethrough while being diffracted.

REFERENCES:
patent: 4808804 (1989-02-01), Krichever et al.
patent: 5231464 (1993-07-01), Ichimura et al.

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