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ELECTRO-OPTICALLY Q-SWITCHED MICROCHIP LASERS

Award Information

Agency:
Department of Defense
Branch:
Defense Advanced Research Projects Agency
Award ID:
15314
Program Year/Program:
1991 / SBIR
Agency Tracking Number:
15314
Solicitation Year:
N/A
Solicitation Topic Code:
N/A
Solicitation Number:
N/A
Small Business Information
PHOTERA TECHNOLOGIES
12777 High Bluff Drive San Diego, CA 92130
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Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
 
Phase 1
Fiscal Year: 1991
Title: ELECTRO-OPTICALLY Q-SWITCHED MICROCHIP LASERS
Agency / Branch: DOD / DARPA
Contract: N/A
Award Amount: $50,000.00
 

Abstract:

MICROCHIP LASERS HOLD THE POTENTIAL FOR LOW COST, MASS PRODUCIBLE, SINGLE FREQUENCY SOURCES WHICH CAN BE CONFIGURED INTO LINEAR AND TWO DIMENSIONAL ARRAYS. LASER POWER RESEARCH HAS DEVISED A METHOD BY WHICH MICROCHIP LASERS MAY BE Q-SWITCHED TO PRODUCE SUBNANOSECOND, KILOWATT PEAK POWER PULSES. AT THIS POWER LEVEL, NONLINEAR FREQUENCY CONVERSION TECHNIQUES CAN BE QUITE EFFICIENT, THUS OFFERING AN ALTERNATIVE TO SEMICONDUCTOR LASER SOURCES IN THE VISIBLE AND NEAR-UV REGION OF THE SPECTRUM. IN CONTRAST TO PREVIOUS Q-SWITCH MICROCHIP LASERS, THE LPR DESIGN RELIES ON THE ELECTRO-OPTIC EFFECT FOR FAST SWITCHING OF THE CAVITY. A FIELD APPLIED TO AN ELECTRO-OPTIC ETALON USED AS THE OUTPUT CAVITY MIRROR IS USED TO RAPIDLY SHIFT THE RESONANCE FREQUENCIES OF THE ETALON, THEREBY MODULATING THE EFFECTIVE REFLECTIVITY OF THE OUTPUT CAVITY MIRROR. BONDING THE ETALON DIRECTLY TO THE MICROCHIP GAIN MEDIUM RESULTS IN A FULLY INTEGRATED UNIT, THE DESIGN OF WHICH IS AMENABLE TO EXPANSION INTO ONE AND TWO DIMENSIONAL ARRAYS. THE PROPOSED PHASE I PROGRAM INCLUDES A PROOF-OF-PRINCIPLE EXPERIMENT DESIGNED TO GENERATE 100-200 PICOSECOND PULSES FROM AN INTEGRATED, QSWITCHED ND:YAG MICROCHIP LASER, AS WELL AS A MATERIALS SURVEY TO IDENTIFY SUITABLE MATERIALS FOR THE DEVELOPMENT OF DIODE PUMPED MICROCHIP SOURCES. SUCCESSFUL DEMONSTRATION OF THE PROPOSED MICROCHIP LASER SKILL POINT THE WAY TOWARDS THE DEVELOPMENT OF COMPACT, INEXPENSIVE SOURCES IN THE VISIBLE AND NEAR UV. SUCH SOURCES HAVE TREMENDOUS COMMERCIAL POTENTIAL IN SUCH AREAS AS OPTICAL DISK STORAGE AND, IN THE FORM OF ARRAYS, FOR PARALLEL OPTICAL PROCESSING. THE COMPACTNESS AND RUGGEDNESS OF THE DEVICES IS ATTRACTIVE FOR MILITARY SYSTEMS.

Principal Investigator:

Maurice Pessot
Principal Investigator
6197550700

Business Contact:

Small Business Information at Submission:

Laser Power Research
12777 High Bluff Drive San Diego, CA 92130

EIN/Tax ID:
DUNS: N/A
Number of Employees:
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No