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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 13 — Jun. 26, 2006
  • pp: 5954–5960

Absolute distance measurement by dispersive interferometry using a femtosecond pulse laser

Ki-Nam Joo and Seung-Woo Kim  »View Author Affiliations


Optics Express, Vol. 14, Issue 13, pp. 5954-5960 (2006)
http://dx.doi.org/10.1364/OE.14.005954


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Abstract

We describe an interferometric method that enables to measure the optical path delay between two consecutive femtosecond laser pulses by way of dispersive interferometry. This method allows a femtosecond laser to be utilized as a source of performing absolute distance measurements to unprecedented precision over extensive ranges. Our test result demonstrates a non-ambiguity range of ~1.46 mm with a resolution of 7 nm over a maximum distance reaching ~0.89 m.

© 2006 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.3940) Instrumentation, measurement, and metrology : Metrology
(140.7090) Lasers and laser optics : Ultrafast lasers

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: April 26, 2006
Revised Manuscript: June 12, 2006
Manuscript Accepted: June 15, 2006
Published: June 26, 2006

Citation
Ki-Nam Joo and Seung-Woo Kim, "Absolute distance measurement by dispersive interferometry using a femtosecond pulse laser," Opt. Express 14, 5954-5960 (2006)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-14-13-5954


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References

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