Ring cavity type surface emitting semiconductor laser and fabric

Details Ring cavity type surface emitting semiconductor laser and fabric Ring cavity type surface emitting semiconductor laser and fabric

1998-04-27

2000-07-11

Font, Frank G.

Coherent light generators

Particular resonant cavity

372 94, 372 43, H01S 308

Patent

active

060883782

ABSTRACT:
A surface emitting semiconductor laser of a ring cavity type with a small cavity loss includes a ring cavity or resonator which is constructed wituout using at least one of a pair of special high-reflection multi-layer mirrors and formed in a plane approximately perpendicular to its substrate. The ring cavity is built by a parallel face parallel to the substrate and at least one total reflection face formed opposed to the parallel face. The total reflection face may be a mesa-shaped semiconductor face, a polygonal cone-shaped semiconductor face, a quadrangular cone-shaped semiconductor, a circular cone-shaped semiconductor face or the like.

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