Optic-fiber-array sensor and its application in length and angle measurement

Xudong Jin; Hangwen Pan; Wei-dong Xu

doi:10.1117/12.141270

5 March 1993 Optic-fiber-array sensor and its application in length and angle measurement

Xudong Jin, Hangwen Pan, Wei-dong Xu

Proceedings Volume 1795, Fiber Optic and Laser Sensors X; (1993) https://doi.org/10.1117/12.141270
Event: Fibers '92, 1992, Boston, MA, United States

Abstract

Mang analysis have been done on the optical fiber position sensor based on intensity modulation technique. In this paper we present an analysis on Optic-Fiber-Array Sensor with a shutter wheel as intensity modulator, which can work on large dimensional measurement such as length or rotation angle with high sensitivity, accuracy and S/N. Different arrangements of optic fiber array versus shutter wheel are analyzed, and so are two signal processing methods, Switch-Digital Processing Method and Analog-Digital Processing Method. The angle sensitivity of the sensor can reach up to 10^-6 (in rad.) and the S/N is higher than that of the Moare Technique. At the final, experiment results are shown.

Citation Download Citation

Xudong Jin, Hangwen Pan, and Wei-dong Xu "Optic-fiber-array sensor and its application in length and angle measurement", Proc. SPIE 1795, Fiber Optic and Laser Sensors X, (5 March 1993); https://doi.org/10.1117/12.141270

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