Optical position sensor for aerospace applications

Marcos A. Nassar

doi:10.1117/12.188853

4 October 1994 Optical position sensor for aerospace applications

Marcos A. Nassar

Proceedings Volume 2295, Fly-by-Light; (1994) https://doi.org/10.1117/12.188853
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

A linear displacement transducer has been developed for use in fly-by-light control systems. Based on a digitally coded plate, it utilizes wavelength division to multiplex the digital channels on the plate. The sensor is connected to a remote processing unit via a single optical fiber. The transducer described here has a resolution of 12 bits over a 4 inch stroke, or 0.001 inch resolution, and the same configuration can be used for other strokes as well as for rotary transducers. In this paper we first describe the sensor system design. We then present the system's performance in terms of optical power budget and environmental performance, and conclude by discussing the strengths and limitations of our current design and by describing our future efforts in this field.

Citation Download Citation

Marcos A. Nassar "Optical position sensor for aerospace applications", Proc. SPIE 2295, Fly-by-Light, (4 October 1994); https://doi.org/10.1117/12.188853

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