Laser diode module

Details Laser diode module Laser diode module

1997-06-13

2000-08-22

Davie, James W.

Coherent light generators

Particular temperature control

Heat sink

385 93, H01S 3043, G02B 642

Patent

active

061083593

ABSTRACT:
There is provided a small-diameter LD module which facilitates welding of a ferrule holder and a lens holder. An LD and a lens barrel having a lens press-fitted therein are supported by a lens holder, and a ferrule is supported by a ferrule holder. The diameter of the ferrule holder is set smaller than that of the lens holder. After the optical axes of the lens (and the LD) and an optical fiber are aligned, the lens holder and the ferrule holder are connected at welds, and then, the lens holder and a protective casing are connected at welds.

REFERENCES:
patent: 4790618 (1988-12-01), Abe
patent: 5068865 (1991-11-01), Ohshima et al.
patent: 5353294 (1994-10-01), Shigeno
patent: 5416869 (1995-05-01), Yoshino

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