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Directional Filters For Infrared Sensors
University of California System: University of California, Santa Barbara
posted on 11/09/2009
A series of directional wavelengths that eliminate the need for the bulky and expensive shields that are currently used in infrared sensor arrays.
Suggested Uses
- Military applications
- Search-and rescue and fire-fighting operations
- Applications in automobiles and aircraft
- Agriculture and water monitoring
- Aerospace and satellite applications
- Advanced medical diagnosis
This technology is available for licensing.
Advantages
- Improved directional focus of the infrared sensor
- Smaller filter utilizes space in the infrared sensor
- Small size allows for minimal power consumption and cooling time
- Cost-effective to manufacture
Detailed Description
Researchers at the University of California, Santa Barbara, have developed a series of directional wavelengths fabricated in close-packed array to form directional filters on the back surface of focal-plane infrared sensor arrays. The filters selectively channel infrared sources from a narrow angel of incidence, in a pre-selected field of view, which removes distractions from other sources. These filters eliminate the need for the bulky and expensive shields that are currently used in infrared sensor arrays.
File Number: 19994
Other Information:
Background
Infrared sensors have been widely used in target tracking, remote sensing for rescue, and medical diagnosis. One challenge for infrared sensors is that radiation from its surroundings may overpower the radiation from the target of interest. The current solution for this challenge is to house the sensors inside a shield that is cooled and blocks the view of any warm objects nearby. However, theses shields are large in size and costly to manufacture.
| Copyright: | ©2009-2010, The Regents of the University of California |
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This innovation currently is not available for online licensing. Please contact Franco Caporale at University of California System: University of California, Santa Barbara for more information.
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