Method and apparatus for high power amplification in...

Details Method and apparatus for high power amplification in... Method and apparatus for high power amplification in...

2004-08-23

2009-08-25

Nguyen, Dung T (Department: 2828)

Coherent light generators

Optical fiber laser

C372S069000

Reexamination Certificate

active

07580431

ABSTRACT:
An apparatus and method for high power amplification in a multimode fiber amplifier. The apparatus includes a diffraction limited low power laser, a multimode fiber amplifier, and a lens. The multimode fiber amplifier is coupled to the low power laser to amplify the low power laser output. The multimode fiber amplifier has a length that is set to a phase-matching length at which the transverse modes of the multimode fiber amplifier are in phase. The lens is coupled to the multimode fiber amplifier and outputs a kilowatt (KW)-level, diffraction-limited output beam from the multimode fiber amplifier.

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patent: 2005/0018950 (2005-01-01), Arellano
patent: 2005/0105854 (2005-05-01), Dong et al.
patent: 980122 (2000-02-01), None
US000001926H.

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