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ACCOMPLISHMENTS - PowerPoint PPT Presentation

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S mall B usiness I nnovation R esearch. Solid State Electro-Optic Tunable Fabry-Perot Filters (SSET-FAB) Scientific Solutions, Inc. (SSI) North Chelmsford, MA. INNOVATION

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Solid State Electro-Optic Tunable Fabry-Perot Filters (SSET-FAB)Scientific Solutions, Inc. (SSI)North Chelmsford, MA
  • This tunable optical filter utilizes a liquid crystal cell within the resonant cavity of a next-generation, custom-coated Fabry-Perot interferometer, allowing for rapid and precise spectral selection via simple low-voltage electric input. Compared to other tunable FPIs, these Liquid Crystal Fabry-Perot (LCFP) devices are completely solid state and therefore virtually impervious to mechanical shock and vibration.
  • Filter features millisecond spectral selection, wavelength stability to 1 part in 105, transmissions approaching 80% of polarized light, absolutely no moving parts, power requirements of less than 5 amps at 12V, insensitivity to LEO radiation, and miniaturization to 10mm in diameter.
  • Filed patent application #09/775,970 entitled "An Optical Multiplexer and Cross-Switch Using Etched Liquid-Crystal Fabry-Perot Etalons."
  • Won a Circle of Excellence Award in 2001 distinguishing LCFP as one of the 25 most innovative products of the year.


  • Product is currently being sold, and as of March 2003, related cumulative revenue totaled $210,000.
  • An outside investment of $150,000 was realized in 2000 for adaptation of LCFP technology to telecommunications applications.

Commercial-Grade Liquid Crystal Fabry-Perot (LCFP) Tunable Filter

  • NASA Goddard Space Flight Center (GSFC) Optics Branch purchased an ultra-high resolution LCFP from SSI in 1999 for a Laser Velocimetry application.
  • Two NSF-funded observatories use SSI LCFPs for scientific research applications: Sonderstrom Observatory in Greenland performs daytime LIDAR measurements; the MIT Haystack Observatory in Massachusetts performs nighttime LIDAR measurements.

Goddard Space Flight Center

Points of Contact:

NASA – Anthony Martino (301) 286-8309

Scientific Solutions – Michael Dorin (978) 251-4554

1997 Phase II, SS5-081, 4/4/03