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PbSnTe based long-wave infrared (LWIR) focal plane arrays (FPAs)

Award Information
Agency: Department of Defense
Branch: Missile Defense Agency
Contract: HQ0860-22-C-7510
Agency Tracking Number: B21B-T004-0074
Amount: $149,998.00
Phase: Phase I
Program: STTR
Solicitation Topic Code: MDA21-T004
Solicitation Number: 21.B
Solicitation Year: 2021
Award Year: 2022
Award Start Date (Proposal Award Date): 2021-12-06
Award End Date (Contract End Date): 2022-06-05
Small Business Information
201 Circle Drive North Unit # 102
Piscataway, NJ 08854-1111
United States
DUNS: 787144807
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 Arul Arjunan
 (732) 302-9274
Business Contact
 Dr. Gary S. Tompa
Phone: (732) 302-9274
Research Institution
 SRI International Computer Science Laboratory
 Brandon Gravett
201 Washington Road
Princeton, NJ 08540
United States

 (609) 734-2285
 Domestic Nonprofit Research Organization

Structured Materials Industries, working with an experienced infrared focal plane array (IR-FPA) developer, will research and develop lead tin telluride (PbSnTe) or (PTT) based long-wave infrared (LWIR) focal plane arrays (FPAs) with the objective of demonstrating that the performance of PTT can exceed the current HgCdTe (MCT) or III-V superlattice LWIR-FPAs i.e increased Quantum Efficiency, lower dark current at 77K and higher sensitivity for short (e.g. milliseconds) integration times. PTT has shown great promise to meet and exceed MCT performance and cost; however sufficient effort to resolve its true potential remains to be realized. Enhancing this work’s success potential is that SMI has developed an epitaxial growth process for PbTe on Si for making MWIR and LWIR metalenses – furthering the development of an alternative to MCT on very large substrates. In Phase I, we will review material properties, grow crystals (doped and undoped), and test sensor “pixel” performance designs, characterizing the grown materials, fabricate simple detector “pixels”, and refine our Phase II plan – to produce simple demonstration-scale multiple pixels LWIR-FPAs that can be sampled to appropriate end-user partners. The program will determine the scientific and technical Phase III feasibility of implementing increasingly scaled PPT LWIR-FPAs. Approved for Public Release | 21-MDA-11013 (19 Nov 21)

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

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