Structure of laser module

Details Structure of laser module Structure of laser module

1994-12-27

1995-09-05

Scott, Jr., Leon

Coherent light generators

Particular resonant cavity

Mirror support or alignment structure

372 65, 372103, 372108, H01S 308

Patent

active

054485878

ABSTRACT:
A laser module includes a hollow, cylindrical casing having a tapered laser beam emitting hole at one end and a lens holder coupling portion at an opposite end, a lens holder having one end fitted into the lens holder coupling portion and an opposite end made with an inner thread, a lens mounted inside the casing and retained between a cushion ring and the lens holder; a focus adjustment socket having one end made with an outer thread threaded into the inner thread of the lens holder and an opposite end sealed with a locating cap; a control circuit board fastened to the locating cap and disposed inside the focus adjustment cap to carry a laser diode chip and a photo detector and controlled to drive the laser diode chip to emit a constant laser beam out of the casing through the lens.

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