Compact 2 Micron Seed Laser

Award Information
Agency:
National Aeronautics and Space Administration
Branch
n/a
Amount:
$69,931.00
Award Year:
2005
Program:
SBIR
Phase:
Phase I
Contract:
NNL05AA94P
Award Id:
74412
Agency Tracking Number:
041025
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
9030 S. Rita Road, Tucson, AZ, 85747
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
014750785
Principal Investigator:
ShibinJiang
(520) 799-7407
jiang@npphotonics.com
Business Contact:
JamesFountain
Business Official
(520) 799-7424
fountain@npphotonics.com
Research Institute:
n/a
Abstract
This proposal is for the development of new compact, high power and extremely reliable 2 micron seed laser using newly developed Tm3+ doped germanate glass fibers, which exhibit high quantum efficiency. This type of fiber based seed laser is needed for constructing high energy pulsed 2 micron Ho-doped crystal lasers for LIDAR applications. We propose to use highly Tm3+ doped germanate glass fibers with high gain per unit length to form a short linear cavity to generate single frequency fiber laser operation. Germanate glass exhibits lower phonon energy compared to silica glass, increasing the quantum efficiency of 3F4 level of Tm3+ ions. Importantly, Tm3+ can be highly doped into germanate glasses, which results in so called cross-relaxation, dramatically improving the gain per unit length and the quantum efficiency. The single frequency fiber laser will be used to construct seed lasers by integrating with controlling electronics.

* information listed above is at the time of submission.

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