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Proceedings Paper

High-resolution detection of small distance changes by an optical frequency comb
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Paper Abstract

The work presents a measurement of lengths by an optical measuring resonator. The resonator works as distance-to-optical frequency converter with ultimate linearity. It has locked a tunable laser to certain cavity mode. The optical frequency of the laser is heterodyned with immediate “tooth” of the femtosecond comb spectrum. For the testing of the method the special combination of the optical resonator and Michelson interferometer was put together. This system combines the cavity length of the optical resonator with the measuring arm of the Michelson laser interferometer. The one mirror of the system is common for both laser interferometers and it is driven by piezoelectric transducer. The testing range is limited by the range of tuneability of the used laser and it covers 1000 nm of the length measurement.

Paper Details

Date Published: 18 December 2012
PDF: 7 pages
Proc. SPIE 8697, 18th Czech-Polish-Slovak Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 86970G (18 December 2012); doi: 10.1117/12.2012651
Show Author Affiliations
O. Číp, Institute of Scientific Instruments of the ASCR, v.v.i. (Czech Republic)
M. Čížek, Institute of Scientific Instruments of the ASCR, v.v.i. (Czech Republic)
Z. Buchta, Institute of Scientific Instruments of the ASCR, v.v.i. (Czech Republic)
B. Mikel, Institute of Scientific Instruments of the ASCR, v.v.i. (Czech Republic)
Josef Lazar, Institute of Scientific Instruments of the ASCR, v.v.i. (Czech Republic)
R. Šmíd, Institute of Scientific Instruments of the ASCR, v.v.i. (Czech Republic)


Published in SPIE Proceedings Vol. 8697:
18th Czech-Polish-Slovak Optical Conference on Wave and Quantum Aspects of Contemporary Optics
Jan Peřina; Libor Nozka; Miroslav Hrabovský; Dagmar Senderáková; Waclaw Urbańczyk; Ondrej Haderka; Libor Nožka, Editor(s)

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