Calibration of a pulsed ultrasonic source by fiber optic ring interferometer

Vadim V. Ivanov; Maxim Yu. Levitchev; Sergei S. Ustavshikov; Sergey G. Lazarev

doi:10.1117/12.778746

8 November 2007 Calibration of a pulsed ultrasonic source by fiber optic ring interferometer

Vadim V. Ivanov, Maxim Yu. Levitchev, Sergei S. Ustavshikov, Sergey G. Lazarev

Proceedings Volume 6796, Photonics North 2007; 67961I (2007) https://doi.org/10.1117/12.778746
Event: Photonics North 2007, 2007, Ottawa, Canada

Abstract

Fiber optical Sagnac interferometer is applied for absolute calibration of ultrasonic pulsed source. Method of topological phase is used for the maintenance of &pgr;/2 phase bias of the counterpropagating waves. Non-disturbing absolute measurement of the ultrasonic displacement with sensitivity of 10^-1 Å within 100 kHz ÷ 30 MHz band is demonstrated which is comparable with more complicated and expensive analogs.

Citation Download Citation

Vadim V. Ivanov, Maxim Yu. Levitchev, Sergei S. Ustavshikov, and Sergey G. Lazarev "Calibration of a pulsed ultrasonic source by fiber optic ring interferometer", Proc. SPIE 6796, Photonics North 2007, 67961I (8 November 2007); https://doi.org/10.1117/12.778746

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