Focal distance adjustable laser module

Details Focal distance adjustable laser module Focal distance adjustable laser module

1996-12-04

1999-03-02

Bovernick, Rodney B.

Coherent light generators

Particular resonant cavity

Specified output coupling device

359829, H01S 308

Patent

active

058780734

ABSTRACT:
A focal distance adjustable laser module including a cap having a tapered laser firing hole, a lens holder press-fitted into the cap to hold a rubber packing ring and a lens on the rubber packing ring and having an inner thread at the back side, a laser diode holder holding a mounting plate and a laser diode on the mounting plate and having an outer thread at the front side threaded into the inner thread of the lens holder, a circuit board secured to the mounting plate at the back and connected to the laser diode to control its operation, and a spring mounted inside the lens holder and imparting a backward pressure to the laser diode holder to prohibit displacement of the laser diode holder relative to the lens holder.

REFERENCES:
patent: 5381438 (1995-01-01), Guo et al.

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