Novel Techniques to Combine Optical Radiation from Fiber Lasers

Award Information
Agency:
Department of Defense
Branch
Office of the Secretary of Defense
Amount:
$100,000.00
Award Year:
2006
Program:
SBIR
Phase:
Phase I
Contract:
N00164-06-C-6010
Award Id:
78234
Agency Tracking Number:
O053-D01-4072
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
ACULIGHT CORP. (Currently Aculight Corporation)
11805 North Creek Parkway S., Suite 113, Bothell, WA, 98011
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
801518747
Principal Investigator:
John Minelly
Principal Investigator
(425) 482-1100
john.minelly@aculight.com
Business Contact:
Dennis Lowenthal
VP of Research & Development
(425) 482-1100
dennis.lowenthal@aculight.com
Research Institution:
n/a
Abstract
Aculight proposes a scalable approach to passive phasing of fiber laser arrays to meet the requirements of high power, high spatial brightness sources for high energy laser (HEL) applications. The system design is scalable to up to 100 kW output with high brightness. The proposed approach will establish generalized scaling rules enabling the laser designer to confidently predict the degree to which brightness can be maintained as the array becomes larger. In the phase I we will demonstrate up to 20W output with near diffraction limited output by passive mode-selection from an arrayed structure and study the physics of self organization. We will also investigate higher mode-volume multi-moded fibers as alternative building blocks for later phases of the program and as a means for establishing generalized brightness enhancing scaling rules for different array elements and architectures. In the phase II we will deliver a prototype laser system based on the phase I breadboard but upgraded in pump power to enable 500W of output power. We will also quantify the brightness achievable from the next level array structure.

* information listed above is at the time of submission.

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