Low-Loss ZBLAN Glass and Fiber Fabrication in Low Gravity

Award Information
Agency: Department of Defense
Branch: Air Force
Contract: FA9453-11-C-0156
Agency Tracking Number: F093-056-0442a
Amount: $758,217.00
Phase: Phase II
Program: SBIR
Awards Year: 2011
Solicitation Year: 2009
Solicitation Topic Code: AF093-056
Solicitation Number: 2009.3
Small Business Information
Photonic Systems Division, 20600 Gramercy Place, Bldg. 100, Torrance, CA, -
DUNS: 153865951
HUBZone Owned: N
Woman Owned: Y
Socially and Economically Disadvantaged: N
Principal Investigator
 Dmitry Starodubov
 Director
 (310) 320-3088
 PSProposals@poc.com
Business Contact
 Gordon Drew
Title: Chief Financial Officer
Phone: (310) 320-3088
Email: gedrew@poc.com
Research Institution
N/A
Abstract
ABSTRACT: Real-time spectral signature recording and identification of satellites is an essential need of the Ground-based Electro-Optical Deep Space Surveillance (GEODSS) system. The Air Force is seeking a low-loss ZBLAN fiber (ZrF4-BaF2-LaF3-AlF3-NaF composition) with wide spectral band optical transmission for satellite tracking systems. Expanding the detection range from the ultraviolet to the mid-infrared wavelengths can substantially improve the satellite spectral identification. ZBLAN glass compositions, however, have high loss due to crystallization when fabricated on Earth. To address this Air Force need for low-loss ZBLAN glasses and optical fibers, Physical Optics Corporation (POC) proposes to prepare and conduct a ZBLAN fiber drawing experiment in low gravity on a Black Brand V type sounding rocket payload. An additional experiment with a similar ZBLAN glass host that is highly doped with active ions for laser applications will help to answer the question of whether crystallization of the perspective glass compositions could be suppressed enough to meet the low loss requirements for countermeasure applications when processed in low gravity. This Phase II project execution will utilize the available standard payload designs and will closely follow the established NASA program schedule for sounding rocket missions. BENEFIT: Through the confirmation of crystallization suppression in low gravity during fiber fabrication, the mission will open a pathway toward a unique opportunity to substantially expand the range of applicable fiber material compositions. Such compositions, including highly doped ZBLAN glasses with theoretical insertion loss orders of magnitude lower than in existing fibers, would enable high-power mid-infrared (mid-IR) lasers for a variety of DoD and civilian applications, including countermeasures, wideband hyperspectral imaging, industrial plastics processing, and medical laser treatment.

* Information listed above is at the time of submission. *

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