Low cost, efficient vertical cavity surface emitting laser packa

Details Low cost, efficient vertical cavity surface emitting laser packa Low cost, efficient vertical cavity surface emitting laser packa

1997-05-09

1999-10-26

Bovernick, Rodney

Coherent light generators

Particular active media

Semiconductor

372 36, 372 33, 438126, 438 25, H01S 318

Patent

active

059740663

ABSTRACT:
The present invention provides a low cost, efficient vertical cavity surface emitting laser package (300) and manufacturing method, the package having a head assembly having at least three leads, a vertical cavity surface emitting laser die bonded to a top surface of the head assembly, for generating a beam of light, and a photodiode, die bonded to the top surface of the head assembly proximate to the vertical cavity surface emitting laser for receiving at least a portion of the beam of light, and generating feedback for adjusting an electrical input current to the vertical cavity surface emitting laser based on a received optical power of the portion of the beam of light received. The vertical cavity surface emitting laser and the photodiode are injection molded in a predetermined shape with a recessed area for placement of a partially reflective holographic optical element/reflector.

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