Coherent light generators – Optical fiber laser
Reexamination Certificate
2007-10-23
2007-10-23
Nguyen, Dung (Department: 2828)
Coherent light generators
Optical fiber laser
C372S034000, C372S055000
Reexamination Certificate
active
11447391
ABSTRACT:
A method and apparatus is provided for producing near-diffraction-limited laser light, or amplifying near-diffraction-limited light, in diode pumped alkali vapor photonic-band-gap fiber lasers or amplifiers. Laser light is both substantially generated and propagated in an alkali gas instead of a solid, allowing the nonlinear and damage limitations of conventional solid core fibers to be circumvented. Alkali vapor is introduced into the center hole of a photonic-band-gap fiber, which can then be pumped with light from a pump laser and operated as an oscillator with a seed beam, or can be configured as an amplifier.
REFERENCES:
patent: 6643311 (2003-11-01), Krupke
patent: 2004/0151454 (2004-08-01), Fajardo et al.
Beach Raymond J.
Dawson Jay W.
Krupke William F.
Payne Stephen A.
Lee John H.
Nguyen Dung
The Regents of the University of California
Wooldridge John P.
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