Apparatus and method for fiber-laser output-beam shaping for spectral beam combination

EC Honea, Y Hu - US Patent 9,366,872, 2016 - Google Patents
(57) ABSTRACT A method and apparatus for combining a plurality of laser beamlets to form
a single annular beam using spectral beam combination. This invention includes a plurality …

Photonic-crystal-rod optical amplifier with sealed-hole endcap and associated method

CD Brooks, F Di Teodoro - US Patent 7,835,068, 2010 - Google Patents
H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED
EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING …

Diode-laser-pump module with integrated signal ports for pumping amplifying fibers and method

MP Savage-Leuchs - US Patent 7,537,395, 2009 - Google Patents
US7537395B2 - Diode-laser-pump module with integrated signal ports for pumping amplifying
fibers and method - Google Patents US7537395B2 - Diode-laser-pump module with integrated …

Spectral-beam combining for high-power fiber-ring-laser systems

EC Honea, TH Loftus, CA Lemaire - US Patent 8,526,110, 2013 - Google Patents
A ring-laser system that includes a plurality of ring-laser gain elements and a spectral-beam-
combining output stage configured to combine a plurality of beams coming from the gain …

Optical-fiber array method and apparatus

Y Hu, CA Lemaire - US Patent 8,503,840, 2013 - Google Patents
(51) Int. Cl.(57) ABSTRACT GO2B 6/32(2006.01) Method and apparatus for forming an
optical-fiber-array GO2B 6/26(2006.01) assembly, which include providing a plurality of …

Spectrally beam combined laser system and method at eye-safer wavelengths

RD Mead - US Patent 8,441,718, 2013 - Google Patents
Fiber-laser light is Raman shifted to eye-safer wavelengths prior to spectral beam
combination, enabling a high-power, eye-safer wavelength directed-energy (DE) system …

Large core holey fibers

L Dong, DJ Harter, W Wong - US Patent 8,285,099, 2012 - Google Patents
Various types of holey fiber provide optical propagation. In various embodiments, for
example, a large core holey fiber comprises a cladding region formed by large holes …

Method and apparatus for spectral-beam combining of fanned-in laser beams with chromatic-dispersion compensation using a plurality of diffractive gratings

SC Tidwell, TH Loftus, CA Lemaire - US Patent 8,179,594, 2012 - Google Patents
Apparatus and method for spectral-beam combining of light from a plurality of high-power
lasers (eg, fiber MOPA lasers) that, in some embodiments, use substantially identical …

Apparatus and method for optical gain fiber having segments of differing core sizes

MP Savage-Leuchs - US Patent 8,089,689, 2012 - Google Patents
(*) Notice: Subject to any disclaimer, the term of this OTHER PUBLICATIONS patent is
extended or adjusted under 35 USC 154 (b) by 28 days. Hansryd, Jonas, et al.,“Fiber-Based …

Method and apparatus for ultra-violet-wavelength laser-induced fluorescence (UV-LIF) using optical output from a photonic-crystal rod

F Di Teodoro, CD Brooks - US Patent 7,751,118, 2010 - Google Patents
A method and apparatus use a photonic-crystal fiber having a very large core while
maintaining a single transverse mode. In some fiber lasers and amplifiers having large cores …