Coherent light generators – Particular resonant cavity – Folded cavity
Reexamination Certificate
2004-03-31
2008-08-12
Harvey, Minsun (Department: 2828)
Coherent light generators
Particular resonant cavity
Folded cavity
C372S021000, C372S022000
Reexamination Certificate
active
07411991
ABSTRACT:
Embodiments of methods, apparatuses, devices, and/or systems for a tunable laser are described. An apparatus includes: a tunable laser cavity including at least three mirrors, at least one filter and a plurality of crystals, wherein the three mirrors are substantially arranged in a lambda configuration, the filter includes a birefringent filter and an etalon, at least one of the crystals comprises a Cologuiriite crystal, and at least one other of the crystals comprises a nonlinear crystal, wherein the mirrors, the filter, and the plurality are configured for providing electromagnetic radiation of an approximately single frequency; and at least one electromagnetic radiation source being coupled to the laser cavity, wherein the electromagnetic radiation source is capable of providing electromagnetic radiation having an approximately particular wavelength to the laser cavity.
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Dubois Marc
Filkins Robert John
Lawrence Brian Lee
General Electric Company
Harvey Minsun
McClintic Shawn A.
Roy Tod T Van
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