Mid-infrared Fiber Laser Based on Super-Continuum

Award Information
Agency: Department of Defense
Branch: Defense Advanced Research Projects Agency
Contract: W31P4Q-05-C-0159
Agency Tracking Number: 05ST1-0088
Amount: $299,000.00
Phase: Phase I
Program: STTR
Awards Year: 2005
Solicitation Year: 2005
Solicitation Topic Code: ST051-008
Solicitation Number: N/A
Small Business Information
OMNI SCIENCES, INC.
647 Spring Valley Drive, Ann Arbor, MI, 48105
DUNS: 149279015
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Michael Freeman
 Director of Research
 (734) 420-0190
 mikefreeman@voyager.net
Business Contact
 Mohammed Islam
Title: President & Chief Technology Office
Phone: (734) 353-9333
Email: mnislam@comcast.net
Research Institution
 UNIV. OF MICHIGAN
 Elaine Brock
 Elect. Eng. and Comp. Sci., 1301 Beal Avenue, 1110 EECS
Ann Arbor, MI, 48109
 (734) 936-1289
 Nonprofit college or university
Abstract
Infrared counter-measures require a mid-infrared laser operating between 3-5 microns with average powers of tens of watts. Omni Sciences, Inc.'s (OSI's) aims to develop a Mid-Infra-Red FIber Laser (MIRFIL) based on super-continuum (SC) generation that produces a continuous spectrum between 1-5 microns. OSI has demonstrated broadband SC in high-nonlinearity fused silica (HiNL) and ZBLAN fluoride fibers using laser diode pumping. For HiNL the SC covers ~950nm to ~2700nm, while in ZBLAN the spectrum covers ~850nm to ~3600nm. This SC is unique in that modelocked lasers are not required and only short fiber lengths are used. The spectral density is more than three (eight) orders-of-magnitude brighter than a lamp in average (peak) power. In Phase I OSI will develop a MIRFIL covering the 3-5 micron window. The HiNL results will be extended to ~3600nm using extra drying steps in the fiber. The ZBLAN results will be extended to ~5000nm by tailoring the material composition of ZBLAN to reduce the bend induced loss. Damage threshold and power scaling will also be tested. In preparation for Phase II, a MIRFIL will be designed that can reach power levels of tens of watts over the 3-5 micron window.

* information listed above is at the time of submission.

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