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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 29, Iss. 10 — May. 14, 2004
  • pp: 1153–1155

Absolute measurement of a long, arbitrary distance to less than an optical fringe

Jun Ye  »View Author Affiliations


Optics Letters, Vol. 29, Issue 10, pp. 1153-1155 (2004)
http://dx.doi.org/10.1364/OL.29.001153


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Abstract

A scheme is proposed for high-precision, absolute length measurement for an arbitrary optical distance of a few meters to beyond 106 m . The approach utilizes a phase-stabilized femtosecond laser to provide both incoherent, time-of-flight information and coherent, fringe-resolved interferometry. Such a combined measurement capability allows an optical wavelength resolution to be achieved for absolute length measurement over a large dynamic range.

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(320.7160) Ultrafast optics : Ultrafast technology

Citation
Jun Ye, "Absolute measurement of a long, arbitrary distance to less than an optical fringe," Opt. Lett. 29, 1153-1155 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-10-1153

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