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RADIATION-HARD 100% SILICA OPTICAL FIBER WAVEGUIDES

Award Information

Agency:
Department of Defense
Branch:
Army
Award ID:
18606
Program Year/Program:
1992 / SBIR
Agency Tracking Number:
18606
Solicitation Year:
N/A
Solicitation Topic Code:
N/A
Solicitation Number:
N/A
Small Business Information
GELTECH, Inc.
3267 Progress Drive Orlando, FL 32826
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Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
 
Phase 1
Fiscal Year: 1992
Title: RADIATION-HARD 100% SILICA OPTICAL FIBER WAVEGUIDES
Agency / Branch: DOD / ARMY
Contract: N/A
Award Amount: $50,680.00
 

Abstract:

OPTICAL SIGNALS CAN BE TRANSMITTED THROUGH STRANDS OF TRANSPARENT MATERIALS CALLED OPTICAL FIBERS. THESE FIBERS ARE CIRCULAR DIELECTRIC WAVEGUIDES WITH A CENTRAL CORE AND A CONCENTRIC CLADDING. THE LIGHT SIGNALS ARE CONFINED TO THE CORE BY CONTROLLING ITS ANGULAR CONDITION SO THAT TOTAL INTERNAL REFLECTION OCCURS. TO ENABLE THE TOTAL INTERNAL REFLECTION OF LIGHT, THE CORE MATERIAL OF THE FIBER HAS AN INDEX OF REFRACTION HIGHER THAN THAT OF THE CLADDING MATERIAL BY ABOUT 1%. IT IS NECESSARY TO ADD DOPANTS TO SILICA TO ALTER ITS INDEX OF REFRACTION. HOWEVER, DOPANTS AND THE RESULTING DEFECTS INCREASE BOTH SCATTERING LOSS DUE TO EXISTING INHOMOGENEITIES AND SIGNAL ATTENUATION DUE TO ABSORPTION. IN HIGH ENERGY RADIATION ENVIRONMENT THE PROBLEM OF SIGNAL DISTORTION IS EXACERBATED DUE TO INCREASED CONCENTRATION OF COLOR CENTERS. THIS RESEARCH FOCUSES ON THE FABRICATION OF 100% SILICA OPTICAL FIBER WAVEGUIDES WHEREIN THE COLOR CENTERS WILL BE ABSENT THEREBY MAKING THE FIBER RADIATION-HARD. SOL-GEL TECHNOLOGY WILL BE UTILIZED FOR THE FABRICATION OF THESE NOVEL OPTICAL FIBER WAVEGUIDES.

Principal Investigator:

Vinay K. Seth
9044622358

Business Contact:

Small Business Information at Submission:

Geltech, Inc.
Two Innovation Drive Alachua, FL 32615

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