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Compact, Ultra- Narrow-Bandwidth, High-Power Diode Laser Pumps for Diode-Pumped Alkali Lasers

Award Information
Agency: Department of Defense
Branch: Missile Defense Agency
Contract: HQ0147-11-C-7614
Agency Tracking Number: B103-007-0309
Amount: $99,928.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: MDA10-007
Solicitation Number: 2010.3
Solicitation Year: 2010
Award Year: 2011
Award Start Date (Proposal Award Date): 2011-05-08
Award End Date (Contract End Date): N/A
Small Business Information
11A Beaver Brook Road, Littleton, MA, -
DUNS: 832019546
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Bien Chann
 Chief Technical Officer
 (978) 952-2501
Business Contact
 Damon Pender
Title: Chief Financial Officer
Phone: (978) 952-2501
Research Institution
The diode pumped alkali laser (DPAL) allows for a potentially scalable approach towards a MW-class high energy laser system. By using an alkali vapor gain medium, one overcomes the intrinsic thermo-optical limitations of more conventional diode-pumped solid state laser (DPSSL) media. High spectral brightness diode pump sources are proposed as the enabling element for efficient, kW-class DPAL systems. We propose to develop a compact, ultra-narrow-bandwidth (<1 GHz), high power diode laser pumps for DPALs. The ultra-narrow pump diode lasers will be designed in Phase I to provide kW-class power levels with spectral linewidths in the range of 500 MHz. In Phase I, a proof-of-principle demonstration will be performed. In Phase II, a kW-class narrow linewidth DPAL pump laser will be constructed. This combination of power, spectral linewidth, and compactness is not available in any other pump laser today. In addition, our approach is traceable to a very compact pump size and weight, which is a key driver for DoD applications.

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