Fundamentals and main features of the advanced reflection noncontact two-fiber optopairs displacememnt sensor

Vytautas Kleiza; Jonas Verkelis

doi:10.1117/12.726457

25 January 2007 Fundamentals and main features of the advanced reflection noncontact two-fiber optopairs displacement sensor

Vytautas Kleiza, Jonas Verkelis

Author Affiliations +

Proceedings Volume 6596, Advanced Optical Materials, Technologies, and Devices; 65960U (2007) https://doi.org/10.1117/12.726457
Event: Advanced Optical Materials, Technologies, and Devices, 2006, Vilnius, Lithuania

Abstract

Fundamentals, design, and operation of a fiber-optical non contact reflection displacement sensor having two identical fiber optical pairs A and B in separate holders are presented. The main principle of operation of the sensor is an artificially organized crossing point of output signals A and B when the reflection body surface is displaced. The output signal (A-B) of the sensor is proportional to the displacement direction of the reflecting body surface from the fixed zero position and depends on the body reflection coefficient, light source intensity, and loss in the fibers. The output signal (A-B)/(A+B) is not dependent on the body reflection coefficient, light source intensity, loss in the fibers. This was confirmed not only theoretically, but also experimentally. The sensitivity S_sub of the sensor was considered to be as high as possible of this type of sensors.

Citation Download Citation

Vytautas Kleiza and Jonas Verkelis "Fundamentals and main features of the advanced reflection noncontact two-fiber optopairs displacement sensor", Proc. SPIE 6596, Advanced Optical Materials, Technologies, and Devices, 65960U (25 January 2007); https://doi.org/10.1117/12.726457

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