Compact, Efficient, and Robust Eyesafe Ladar Transmitter

Award Information
Agency:
Department of Defense
Branch
Army
Amount:
$729,186.00
Award Year:
2004
Program:
SBIR
Phase:
Phase II
Contract:
W31P4Q-05-C-R013
Award Id:
68257
Agency Tracking Number:
A032-2590
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
135 S. Taylor Avenue, Louisville, CO, 80027
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
149375479
Principal Investigator:
John Koroshetz
Research Engineer II
(303) 604-2000
John.Koroshetz@ctilidar.com
Business Contact:
Timmothy Carrig
Director Research & Devel
(303) 604-2000
Tim.Carrig@ctilidar.com
Research Institution:
n/a
Abstract
The US Army has identified the need for a compact, lightweight, self-contained, electrically efficient, ruggedizable laser transmitter for 3-D imaging ladar applications. The transmitter cost, weight, footprint, and performance requirements (>5 W, 20-30 kHz, 5-20 ns) cannot be simultaneously met using current transmitter technology based on bulk Er, Ho, Tm lasers, OPOs, OPAs or Raman lasers. Conventional single-mode or large mode area (LMA) fiber lasers are limited by damage and parasitic nonlinear processes to peak powers well below those required in this program. Coherent Technologies, Inc. proposes a breakthrough approach to meet the transmitter requirements. The proposed transmitter implements a proprietary self-imaging process in a large core fiber to retain the high efficiency, diffraction-limited beam quality and excellent thermal handling of a single-mode fiber laser, while scaling the aperture to handle much higher peak power levels. A versatile master-oscillator power-amplifier (MOPA) architecture is adopted to meet the temporal format requirements without need for resonators or Q-switches. The self-imaging technique and MOPA architecture are leveraged by comprehensive demonstrations and by multiple other programs. The Phase I program has provided critical laboratory risk reduction demonstrations and developed a preliminary brassboard design to be developed, tested, and delivered on the Phase II program.

* information listed above is at the time of submission.

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