Portable Terahertz Imaging System

Award Information
Agency: Department of Defense
Branch: Defense Advanced Research Projects Agency
Contract: DAAH0103CR036
Agency Tracking Number: 02SB2-0238
Amount: $98,769.00
Phase: Phase I
Program: SBIR
Awards Year: 2002
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
One Patriots Park, Bedford, MA, 01730
DUNS: 065137978
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Kurt Linden
 Senior Scientist
 (781) 275-6000
Business Contact
 Mark Little
Title: CEO, Spire Biomedical, In
Phone: (781) 275-6000
Email: mlittle@spirecorp.com
Research Institution
"This Phase I SBIR proposal describes a development program aimed at designing and fabricating a semiconductor terahertz quantum cascade (QC) laser, and demonstrating its operation in a proof-of-concept system for biological imaging. QC lasers havedemonstrated coherent emission at and above room-temperature at wavelengths beyond 10 microns, and have recently also demonstrated terahertz emission at cryogenic temperatures. This suggests the possibility of small and efficient terahertz laser sources.The potential for room-temperature terahertz emission makes this laser an excellent candidate for portable terahertz imaging applications. Phase I will deal with the design, fabrication, and testing of a terahertz laser, the selection and use of aterahertz imaging detector, and preliminary demonstration of general imaging capability using paper envelopes and grocery-purchased chicken organs. Spire will collaborate with the Optics and Quantum Electronics Group, Research Laboratory of Electronics atMIT, which has a collaborative effort with Sandia National Laboratory on terahertz laser development. The QC laser will be fabricated and tested at MIT, and a pyroelectric detector imaging array will be specified and used in a proof-of-conceptdemonstration. During Phase II, Spire will develop and fabricate a prototype, portable biological imaging system and work towards commercialization of the technology. The commercial availability of a port

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

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