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PHOTOVOLTAIC SYSTEMS BASED ON SPECTRALLY SELECTIVE CONCENTRATORS

Award Information

Agency:
Department of Defense
Branch:
Missile Defense Agency
Award ID:
15673
Program Year/Program:
1992 / SBIR
Agency Tracking Number:
15673
Solicitation Year:
N/A
Solicitation Topic Code:
N/A
Solicitation Number:
N/A
Small Business Information
Northeast Photosciences, Inc.
18 Flagg Road Hollis, NH 03049
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Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
 
Phase 2
Fiscal Year: 1992
Title: PHOTOVOLTAIC SYSTEMS BASED ON SPECTRALLY SELECTIVE CONCENTRATORS
Agency / Branch: DOD / MDA
Contract: N/A
Award Amount: $493,000.00
 

Abstract:

WE HAVE DEVELOPED A HOLOGRAPHIC DEVICE THAT GREATLY IMPROVES THE EFFICIENCY OF SOLAR ENERGY GENERATION. THE SINGLE-ELEMENT HOLOGRAM FOCUSES LIGHT TO THE SIDE AND ALSO SPECTRALLY SPLITS IT. THE OUTPUT APPEARS AS A THIN, CONCENTRATED LINE FOCUS PERPENDICULAR TO THE HOLOGRAM AND DISPLACED TO THE SIDE. DIFFERENT WAVELENGTHS ARE DIFFRACTED, CONCENTRATED, AND DISPERSED TO DIFFERENT LOCATIONS ON THE LINE. THE LINE RESEMBLES AN ELEGANT RAINBOW IN THE VISIBLE. THE HOLOGRAM LETS EACH OF TWO OR MORE DIFFERNT SOLAR CELLS ABSORB ONLY THOSE WAVELENGTHS THAT IT CAN EFFICIENTLY CONVERT TO ELECTRIC POWER. THE DEVICE ALSO PREVENTS OVERHEATING BY DIFFRACTING UNWANTED INFRARED AWAY FROM THE CELLS. THE SIDE FOCUS ELIMINATES SHADOW EFFECTS, AND COOLING IS EASY, SINCE THE CELLS ARE NOT CASCADED AND THE HEAT LOAD IS MINIMAL. THIS NOVEL SYSTEM IS IDEAL FOR CONCENTRATING, SPECTRUM SPLITTING, HIGH EFFICIENCY POWER GENERATION.

Principal Investigator:

Jacques Ludman
Principal Investigator
6034653361

Business Contact:

Small Business Information at Submission:

Northeast Photosciences
18 Flagg Road Hollis, NH 03049

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