An Optically Based Low Compliance, High Resolution Force Transducer

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N/A
Agency Tracking Number: 35967
Amount: $69,404.00
Phase: Phase I
Program: SBIR
Awards Year: 1997
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
Optra, Inc.
461 Boston St., Topsfield, MA, 01983
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Hy Tran
 (508) 887-6600
Business Contact
Phone: () -
Research Institution
OPTRA proposes to develop a high resolution, high stiffness, optically based force transducer. The use of an optical transducer allows the sensor to operate with both metallic and non-metallic targets. The sensor would offer a resolution on the order of 1 nm, with dynamic range of several microns, at bandwidth better than 20 kHz. This makes the sensor suitable for use in a high stiffness ( > 200 MN/m) force transducer; high stiffness allows operation at high bandwidth. By configuring two sensors with a force transducer, temperature effects are virtually eliminated. OPTRA anticipates sensitivity of better than 1 milligram over a measurement span greater than 5 grams and a mechanical resonance above 1.5 kHz. OPTRA will demonstrate the performance of the force transducer as a high stiffness load cell at NAWC.

* information listed above is at the time of submission.

Agency Micro-sites

SBA logo
Department of Agriculture logo
Department of Commerce logo
Department of Defense logo
Department of Education logo
Department of Energy logo
Department of Health and Human Services logo
Department of Homeland Security logo
Department of Transportation logo
Environmental Protection Agency logo
National Aeronautics and Space Administration logo
National Science Foundation logo
US Flag An Official Website of the United States Government