Absolute distance measurement by dispersive interferometry using a femtosecond pulse laser

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 similar to 1.46 mm with a resolution of 7 nm over a maximum distance reaching similar to 0.89 m. (c) 2006 Optical Society of America.
Publisher
OPTICAL SOC AMER
Issue Date
2006-06
Language
ENG
Keywords

OPTICAL COHERENCE TOMOGRAPHY; PHASE MEASUREMENT; FREQUENCY COMBS; SPECTROSCOPY; FRINGE

Citation

OPTICS EXPRESS, v.14, no.13, pp.5954 - 5960

ISSN
1094-4087
DOI
10.1364/OE.14.005954
URI
http://hdl.handle.net/10203/1075
Appears in Collection
ME-Journal Papers(저널논문)
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