Vanadium Oxide Photonic Crystal Thermochromic Optical Switch

Award Information
Agency: Department of Defense
Branch: Army
Contract: W15P7T-10-C-S005
Agency Tracking Number: A092-079-1057
Amount: $69,930.00
Phase: Phase I
Program: SBIR
Awards Year: 2010
Solicitation Year: 2009
Solicitation Topic Code: A09-079
Solicitation Number: 2009.2
Small Business Information
Agiltron Corporation
15 Cabot Road, Woburn, MA, 01801
DUNS: 004841644
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Anton Greenwald
 Senior Scientist
 (781) 935-1200
 agreenwald@agiltron.com
Business Contact
 Rachel Carnes
Title: Manager Assistant
Phone: (781) 935-1200
Email: jfanucci@kazakcomposites.com
Research Institution
N/A
Abstract
Agiltron proposes to use patterned metal-vanadium oxide layers as a fast, high contrast infrared optical switch. The desired effect, based upon extraordinary optical transmission, has been demonstrated for visible light and should have greater contrast in the infrared. The effect of grain size, thickness and composition (oxygen content) of VO2 on the phase transition temperature and width of hysteresis loop for resistance as a function of temperature will be determined as well as the effect of the substrate on these parameters and switching speed. Wavelength response will vary with the pattern and this effect will also be measured. VO2 films will be deposited and sintered by a subcontractor, Vanderbilt University, with extensive experience with this material. Agiltron, with extensive experience in manufacturing photonic structures, will deposit all other films (metal and interfaces), pattern films, and measure thermal and optical effects. In Phase 2 Agiltron will test alternate geometries (plasmonic crystals), use of the included metal film for thermal heating (biasing), doping the VO2, additional filters, fabricate and deliver systems for field tests.

* information listed above is at the time of submission.

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