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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 11, Iss. 8 — Apr. 21, 2003
  • pp: 838–842

Novel characterization technique with 0.5 ppm spatial accuracy of fringe period in Bragg gratings

Mattias Åslund, John Canning, Leon Poladian, and C. Martijn de Sterke  »View Author Affiliations


Optics Express, Vol. 11, Issue 8, pp. 838-842 (2003)
http://dx.doi.org/10.1364/OE.11.000838


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Abstract

We demonstrate a novel method that can detect period fluctuations of periodic structures such as fiber Bragg gratings at an accuracy of approximately 0.5 ppm. These fluctuations can consist of chirp rates, phase shifts etc. The method can also be used to measure phase masks or work as a position control device with spatial resolution in the order of 10 nm. The technique is a modified side diffraction method with interference between two diffraction orders.

© 2003 Optical Society of America

OCIS Codes
(050.0050) Diffraction and gratings : Diffraction and gratings
(060.2270) Fiber optics and optical communications : Fiber characterization

ToC Category:
Research Papers

History
Original Manuscript: February 19, 2003
Revised Manuscript: April 1, 2003
Published: April 21, 2003

Citation
Mattias Aslund, John Canning, Leon Poladian, and C. de Sterke, "Novel characterization technique with 0.5 ppm spatial accuracy of fringe period in Bragg gratings," Opt. Express 11, 838-842 (2003)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-11-8-838


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References

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