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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 24 — Nov. 24, 2008
  • pp: 19799–19806

Distance measurements by combined method based on a femtosecond pulse laser

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


Optics Express, Vol. 16, Issue 24, pp. 19799-19806 (2008)
http://dx.doi.org/10.1364/OE.16.019799


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Abstract

We describe a combined interferometric scheme that enables absolute distance measurements using a femtosecond pulse laser. This method is combined with synthetic wavelength interferometry (SWI), time of flight (TOF) and spectrally-resolved interferometry (SRI) using the optical comb of femtosecond laser. Each technique provides distinct measuring resolutions and ambiguity ranges which are complementary to each other. These separate measurement principles are incorporated and implemented simultaneously and the unified output can enhance the dynamic range of the measuring system. Our experimental results demonstrate an example of absolute distance measurement with the proposed technique and we discuss the possibility of the combined method to measure long distances and the important factors for the implementation.

© 2008 Optical Society of America

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(140.7090) Lasers and laser optics : Ultrafast lasers

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: September 5, 2008
Revised Manuscript: September 25, 2008
Manuscript Accepted: September 25, 2008
Published: November 14, 2008

Citation
Ki-Nam Joo, Yunseok Kim, and Seung-Woo Kim, "Distance measurements by combined method based on a femtosecond pulse laser," Opt. Express 16, 19799-19806 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-24-19799


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References

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