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Yb-Doped Polarization-Maintaining Double-Cladding Fiber Amplifiers

Award Information
Agency: Department of Defense
Branch: Air Force
Contract: F29601-01-C-0012
Agency Tracking Number: 001NM-2553
Amount: $749,792.00
Phase: Phase II
Program: SBIR
Solicitation Topic Code: N/A
Solicitation Number: N/A
Timeline
Solicitation Year: N/A
Award Year: 2001
Award Start Date (Proposal Award Date): N/A
Award End Date (Contract End Date): N/A
Small Business Information
1607 Glade Road
Blacksburg, VA 24060
United States
DUNS: 133461553
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 Jon Greene
 President
 (540) 953-1796
 jgreene@lambdainc.com
Business Contact
 Jon Greene
Title: President
Phone: (540) 953-1796
Email: jgreene@lambdainc.com
Research Institution
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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