Method and apparatus for a multibeam beacon laser assembly...

Details Method and apparatus for a multibeam beacon laser assembly... Method and apparatus for a multibeam beacon laser assembly...

2005-07-26

2005-07-26

Wong, Don (Department: 2828)

Coherent light generators

Particular resonant cavity

Specified cavity component

C372S101000, C359S618000, C359S625000, C359S626000

Reexamination Certificate

active

06922430

ABSTRACT:
An optical beacon is comprised of a telescope having a primary focal plane or Coudé focal plane, a plurality of fiber coupled laser sources for generating a plurality of beams, a collimator for collimating the plurality of beams, and optics for combining and focusing the plurality of collimated beams onto the primary or Coudé focal plane of the telescope. The telescope propagates the optical beacon, which is arranged into a ring of incoherent plurality of collimated beams. The apparatus further comprises fiber splitters coupled to each laser source to provide at least eight beams from at least four laser sources. The optics comprises a prism assembly, a combiner lens, a focusing lens and a field lens for focusing the plurality of collimated beams onto the primary focal plane or Coudé focal plane of the telescope.

REFERENCES:
patent: 5107369 (1992-04-01), Hendrickson et al.
patent: 5734504 (1998-03-01), Billman
patent: 6452146 (2002-09-01), Barchers

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