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Company to Supply Filters for Telescope Imager

Photonics Spectra
Jan 2007
Barr Associates Inc. was selected by Lockheed Martin Corp. of Bethesda, Md., to supply filters for the James Webb Space Telescope near-IR camera, which covers the spectral range of 0.6 to 5.0 μm. The Westford, Mass., company will design, manufacture and test the full range of 30 filters for the instrument, which also will be used as a wavefront sensor to ensure that the main mirror segments are aligned precisely. The space-qualified filters offer suitable transmitted wavefront spectral performance and cryogenic operation.



GLOSSARY
photonics
The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
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