Thermal stress reduction in a laser module

Details Thermal stress reduction in a laser module Thermal stress reduction in a laser module

1997-07-03

1998-08-11

Palmer, Phan T. H.

Optical waveguides

With disengagable mechanical connector

Optical fiber to a nonfiber optical device connector

385 88, 385 92, G02B 636

Patent

active

057939152

ABSTRACT:
A module which holds an optical fiber and a laser in alignment to couple light energy emitted from the laser to an end of the fiber. The fiber is held within a metal ferrule. The fiber and the laser are aligned by means of a metal platform to which both the ferrule and the laser are secured. The ferrule is secured to the platform by means of thin flexible washers which compensate for thermal expansion mismatch along the axis of the fiber. In addition, by using dissimilar metals to form the platform, transverse thermal expansion matching is attained.

REFERENCES:
patent: 4119363 (1978-10-01), Camlibel et al.
patent: 5101464 (1992-03-01), Mousseau et al.
patent: 5673349 (1997-09-01), Kosugi
"Alignment of Gaussian Beams", W. B. Joyce et al, Applied Optics, vol. 23, No. 23, pp. 4187-4196, Dec. 1984.

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