Yb-Doped Polarization-Maintaining Double-Cladding Fiber Amplifiers

Award Information
Agency:
Department of Defense
Branch
Air Force
Amount:
$749,792.00
Award Year:
2001
Program:
SBIR
Phase:
Phase II
Contract:
F29601-01-C-0012
Award Id:
55154
Agency Tracking Number:
001NM-2553
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
1607 Glade Road, Blacksburg, VA, 24060
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
133461553
Principal Investigator:
JonGreene
President
(540) 953-1796
jgreene@lambdainc.com
Business Contact:
JonGreene
President
(540) 953-1796
jgreene@lambdainc.com
Research Institute:
n/a
Abstract
Optical fiber amplifiers and lasers are gaining widespread interest for high-power applications due to their numerous advantages over traditional solid-state and gas lasers including extremely high damage thresholds, excellent beam quality, superiorwavelength and temperature stability, small size, and very high powers using novel double-cladding fiber (DCF) geometry's. DCF devices are a unique solution for obtaining diffraction-limited high-power laser beams due to the ability to inject multiwattpump powers into their large-area and large-numerical aperature primary cladding. To date, however, polarization-maintaining DCF amplifiers have not been widely commercialized and may be critical to the future success of coherence-based power combinersfor kilowatt-class lasers and future optical fiber lidar instrumentation. During Phase I, Lambda Instruments investigated the feasibility of fabricating Yb-doped polarization-maintaining (PM) DCF as well as using conventional Yb-doped double-claddingfibers combined with novel fiber grating polarizers to obtain polarized, high-power light. During Phase II Lambda proposes to finalize the development of polarization-maintaining double-cladding fiber and demonstrate prototype amplifiers within aphase-locked laser array.

* information listed above is at the time of submission.

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