Compact Mid-Infrared Laser

Award Information
Agency:
Department of Defense
Branch
Army
Amount:
$750,000.00
Award Year:
1997
Program:
SBIR
Phase:
Phase II
Contract:
n/a
Award Id:
28760
Agency Tracking Number:
28760
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
40 Lake Bellevue, Suite 100, Bellevue, WA, 98005
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Charles Miyake
(206) 451-9558
Business Contact:
() -
Research Institute:
n/a
Abstract
Significant deficiencies exist in the laser source technology for IRCM, specifically in the limited pulse rep-rate capability, limited average power output and capability to be transitioned to military environments. We propose a novel tandem OPO concept that uses two noncritical phasematched OPO's in KTA and AgGaSe(2) to generate the desired three output wavelength bands simultaneously. This concept uses existing materials where they have their best transmission characteristics to minimize bulk absorption and resulting thermally induced dephasing. Noncritical phasematching (NCPM) eliminates walkoff and makes conversion of small pulse energies practical. Obtaining efficient conversion with the IRCM pulse format is critical to making such systems meet size/weight constraints. NCPM also enables the use of relatively high divergence pump beams. This potentially enables the use of crossed porro-prism resonator designs like those used in all current military lasers, making reliable operation of the laser in the field a possibility. The phase I program will demonstrate the capability of a NCPM KTA OPO being used to pump the NCPM AgGaSe(2) OPO and will demonstrate over 1 watt output and Band IV at 10 kHz.

* information listed above is at the time of submission.

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