High-Power Deep-Ultraviolet Tunable CW Laser

Award Information
Agency:
Department of Defense
Branch
Air Force
Amount:
$696,524.00
Award Year:
1995
Program:
SBIR
Phase:
Phase II
Contract:
n/a
Award Id:
25826
Agency Tracking Number:
25826
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:
Mr. Steven Tidwell
(206) 451-9558
Business Contact:
() -
Research Institute:
n/a
Abstract
Aculight proposes developing novel non-linear optical configurations to access any wavelength in the near and deep UV. We set a long term goal of 20 to 50 Watts of cw or ultra-high pulse rate mode locked UV output. The UV output will initially be at pre-set wavelength, and will be tunable with further development. Conversion efficiency from green to wavelength diverse UV outputs of up to 50% appear possible. The novel non-linear optical converter features an OPO in tandem with a mixing crystal. In comparison to other ring type converter geometries, the proposed configuration appears to have significant practical advantages in the area of optical/mechanical stability and control. Phase I examines analytically and experimentally the power conversion limitations of a fixed frequency UV output ring non-linear optical converter. Though ultimately driven by a diode pumped solid state laser, initial experiments will use conventional Nd drive lasers. In Phase I, a streat of cw-mode locked pulses drives the converter. To evaluate pure cw pumping and output, experiments and analysis will examine lowering the cavity losses and ring threshold. Phase I defines the design of development experiments as well as a more capable converter packate built in Phase II. The effort will have a strong synergy with other Aculight efforts, and compliments activities at the Air Force Phillips Laboratory in exploring analogous techniques for other wavelengths.

* information listed above is at the time of submission.

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