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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 37, Iss. 28 — Oct. 1, 1998
  • pp: 6748–6754

Axial and angular displacement fiber-optic sensor

Daniel Sagrario and Patricia Mead  »View Author Affiliations


Applied Optics, Vol. 37, Issue 28, pp. 6748-6754 (1998)
http://dx.doi.org/10.1364/AO.37.006748


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Abstract

An intensity-based fiber-optic sensor for measuring axial and angular displacement has been designed and tested in a controlled laboratory environment. In addition, a mathematical model allowing the simultaneous calculation of the three desired parameters needed to characterize the tilt and the position of a surface under investigation is described. Preliminary tests show good agreement between the theory and the experimental results and show the sensor’s potential for application in the manufacturing industry for position and vibration control. The sensor shows significant improvement in angular range over previously reported methods. An axial displacement range of 2 mm, with an accuracy of 40 μm, and an angular displacement range of 40 mrad, with an accuracy of 0.5 mrad, are demonstrated. Suggestions for further improvement of the range and the sensitivity of the sensor are also described.

© 1998 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.3940) Instrumentation, measurement, and metrology : Metrology

History
Original Manuscript: July 21, 1997
Revised Manuscript: January 20, 1998
Published: October 1, 1998

Citation
Daniel Sagrario and Patricia Mead, "Axial and angular displacement fiber-optic sensor," Appl. Opt. 37, 6748-6754 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-28-6748


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References

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