Direct Generation Diode-Pumped Mid-IR Laser

Award Information
Agency:
Department of Defense
Branch
Air Force
Amount:
$79,601.00
Award Year:
1995
Program:
SBIR
Phase:
Phase I
Contract:
n/a
Award Id:
27966
Agency Tracking Number:
27966
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
12777 High Bluff Drive, San Diego, CA, 92130
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
David E. Hargis
(619) 755-0700
Business Contact:
() -
Research Institute:
n/a
Abstract
Efficient sources operating in the mid-IR region are required for applications such as laser countermeasures and remote sensing. Available mid-IR lasers suited to these applications employ nonlinear frequency conversion techniques; an approach which is inefficient and requires high intensities. Sources based upon direct generation currently are limited to wavelengths below 3 micrometers. Direct generation of 3-5 micrometer radiation using rare-earth ion activated solid-state materials represents a desirable and efficient configuration for laser sources in the mid-IR. In our pursuit of this goal, we have identified two rare-earth doped solid-state materials with the potential for CW operation in the 3-5 micrometer regime. In each case, efficient diode pumped room temperature operation is obtained through the use of a sensitizer-activator pair. The Phase I program consists of a detailed spectroscopic study of the key material parameters which are critical for mid-IR laser operation. Based upon the results of this investigation, a power scalable CW, solid-state, diode-pumped, room temperature laser will be demonstrated. Additionally, design studies will be conducted for scaling to the 2 W average power level.

* information listed above is at the time of submission.

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