High Power Pump Couplers for High Energy Fiber Lasers

Award Information
Agency:
Department of Defense
Branch
Navy
Amount:
$79,385.00
Award Year:
2009
Program:
SBIR
Phase:
Phase I
Contract:
N68936-09-C-0047
Award Id:
92390
Agency Tracking Number:
N091-015-0865
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
4968 Ravine Ct, Ann Arbor, MI, 48105
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
782263441
Principal Investigator:
ThomasSosnowski
VP of Engineering
(734) 417-1079
tsosnowski@arborphotonics.com
Business Contact:
PhillipAmaya
VP of Engineering
(408) 930-8350
pamaya@arborphotonics.com
Research Institute:
n/a
Abstract
Realization of fiber lasers with output power in the multi-kW range critically depends on the development of high power fiber components. This proposal specifically addresses the design, development and manufacture of new, all-fiber pump couplers using large-core, single-mode Chirally-Coupled Core (CCC) fiber, capable of operating at pump powers as high as 2kW or more. To improve the performance of pump combiners, we are proposing a new approach developed by AGT Laser (formerly FG2 Tech) using a specially designed coupling piece between the pump fibers and the signal DCF. This approach is a side-coupler design that allows for the DCF to remain continuous inside the coupler. This novel design eliminates the problem of matching cores when splicing the coupler signal fiber to an additional DCF, as is required in the end-pumping approach. This approach is fundamentally independent of the particular type of DCF and can therefore allow the use of a novel and demonstrated highly-scalable mode area, single-mode optical fiber that can incorporate polarization maintaining performance.

* information listed above is at the time of submission.

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