Fiber Optic Velocity Interferometry

Barry T. Neyer

doi:10.1117/12.959686

7 February 1989 Fiber Optic Velocity Interferometry

Barry T. Neyer

Proceedings Volume 0987, High Bandwidth Analog Applications of Photonics II; (1989) https://doi.org/10.1117/12.959686
Event: O-E/Fiber LASE '88, 1988, Boston, MA, United States

Abstract

This paper explores the use of a new velocity measurement technique that has several advantages over existing techniques. It uses an optical fiber to carry coherent light to and from a moving target. A Fabry-Perot interferometer, formed by a gradient index lens and the moving target, produces fringes with a frequency proportional to the target velocity. This technique can measure velocities up to 10 km/s, is accurate, portable, and completely noninvasive.

Citation Download Citation

Barry T. Neyer "Fiber Optic Velocity Interferometry", Proc. SPIE 0987, High Bandwidth Analog Applications of Photonics II, (7 February 1989); https://doi.org/10.1117/12.959686

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