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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 8, Iss. 2 — Feb. 1, 2010
  • pp: 177–180

Resonant characteristics of microcantilever by using self-mixing interferometer based on phase reconstruction method

Shaoqing Wang and Xiangzhao Wang  »View Author Affiliations

Chinese Optics Letters, Vol. 8, Issue 2, pp. 177-180 (2010)

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The self-mixing interferometer is used to investigate the characteristics of resonant frequency of the microresonator, which is excited by a sinusoidally driven loud-speaker. The detected self-mixing signal is processed by the phase reconstruction method. The 1st-order resonant frequency of the microresonator is measured to be 4.437 kHz with full-width at half-maximum (FWHM) of 0.13 kHz. The measurement results are verified by the sinusoidal phase modulating (SPM) interferometer.

© 2010 Chinese Optics Letters

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(220.4840) Optical design and fabrication : Testing
(230.5750) Optical devices : Resonators

Shaoqing Wang and Xiangzhao Wang, "Resonant characteristics of microcantilever by using self-mixing interferometer based on phase reconstruction method," Chin. Opt. Lett. 8, 177-180 (2010)

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