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Optical Obstacle Avoidance System for Lunar and Mars Landing, Phase I

Completed

Description

The systems developed at fibertek for Obstacle-Avoidance has so far all been operated at 1560nm. Such an operation is required due to the required eye-safety constraint. This wavelength range has so far shown reduced efficiency to a 30% optical-optical efficiency in the last stage of optical amplification in the fiber based transmitter we have developed. For space applications, we believe a highly efficient transmitter will be required with associated optical receiver technology. We propose here to develop a highly efficient, very versatile transmitter based on Ytterbium-doped fiber amplifiers. Associated with this transmitter we will demonstrate a coherent detection system allowing for both range and velocity measurements during space vehicle landing. The technology required for the transmitter/receiver and scanning is at TRL 5. A successful Phase II STTR should allow for field testing bringing this TRL to 6.

Details

Technology areaSensors and Instruments > Remote Sensing Instruments and Sensors > Lasers
ProgramSmall Business Innovation Research/Small Business Tech Transfer (SBIR/STTR)
Lead organizationLangley Research Center, Hampton, VA
Start date2007-01-19
End date2008-01-18

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This is a mature technology (TRL 7+) — the realistic path in is usually NASA's Technology Transfer Program: licensing an existing NASA patent, or a Space Act Agreement to use NASA facilities/expertise directly. NASA also runs a startup licensing program with no upfront fee for companies formed to commercialize a specific NASA technology.

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