NASA NTRS · 19860001740
Laser angle sensor
Abstract
A laser angle measurement system was designed and fabricated for NASA Langley Research Center. The instrument is a fringe counting interferometer that monitors the pitch attitude of a model in a wind tunnel. A laser source and detector are mounted above the model. Interference fringes are generated by a small passive element on the model. The fringe count is accumulated and displayed by a processor in the wind tunnel control room. This report includes optical and electrical schematics, system maintenance and operation procedures.
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Pond, C. R., Texeira, P. D.. 1985-09-01. Laser angle sensor. https://ntrs.nasa.gov/citations/19860001740
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