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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 25, Iss. 4 — Feb. 15, 2000
  • pp: 203–205

Long-period fiber gratings with variable coupling for real-time sensing applications

Victor Grubsky and Jack Feinberg  »View Author Affiliations


Optics Letters, Vol. 25, Issue 4, pp. 203-205 (2000)
http://dx.doi.org/10.1364/OL.25.000203


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Abstract

We demonstrate a long-period grating whose resonance varies in strength but remains fixed in wavelength with either temperature or strain. Using this fiber-grating sensor, we resolved a change of 1 με of strain or 0.04 °C in temperature. Such sensors require no spectrometer or other frequency-selective components and can operate in real time.

© 2000 Optical Society of America

OCIS Codes
(060.2340) Fiber optics and optical communications : Fiber optics components
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.2400) Fiber optics and optical communications : Fiber properties
(350.2770) Other areas of optics : Gratings

Citation
Victor Grubsky and Jack Feinberg, "Long-period fiber gratings with variable coupling for real-time sensing applications," Opt. Lett. 25, 203-205 (2000)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-25-4-203

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