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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 2, Iss. 9 — Sep. 26, 2007

Analysis of a spatially dispersive displacement sensor utilizing an AlGaInP chip

Ji-Bin Horng, Jay Liao, Yao-Jun Tsai, Yen-Chen Huang, Chieh Hu, Seth Tsau, Yan-Kuin Su, and Wei-Yang Chou  »View Author Affiliations


Applied Optics, Vol. 46, Issue 24, pp. 6218-6222 (2007)
http://dx.doi.org/10.1364/AO.46.006218


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Abstract

We present a demonstration and analysis of an industrialized design of a spatially dispersive displacement sensor, which is composed of an AlGaInP gain chip in visible range, optical assembly, and a spectrum analyzer. The sensor utilizes the spatial dispersion of focus from the optical assembly and wavelength spectrum's deviation induced by the displacement of the target. As a result, the sensor delivers a quick and simple way of measuring displacement. By adapting the magnification and resolution of the optical assembly, a displacement sensor with a middle measurement range, 10   μm , was obtained. However, we should note that 25   nm resolution is limited by the bandwidth and temperature fluctuation of the gain chip.

© 2007 Optical Society of America

OCIS Codes
(150.5670) Machine vision : Range finding
(180.1790) Microscopy : Confocal microscopy

ToC Category:
Machine Vision

History
Original Manuscript: May 16, 2007
Manuscript Accepted: June 15, 2007
Published: August 20, 2007

Virtual Issues
Vol. 2, Iss. 9 Virtual Journal for Biomedical Optics

Citation
Ji-Bin Horng, Jay Liao, Yao-Jun Tsai, Yen-Chen Huang, Chieh Hu, Seth Tsau, Yan-Kuin Su, and Wei-Yang Chou, "Analysis of a spatially dispersive displacement sensor utilizing an AlGaInP chip," Appl. Opt. 46, 6218-6222 (2007)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-46-24-6218

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