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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 6, Iss. 8 — Aug. 10, 2008
  • pp: 600–602

Calibration of optical tweezers based on acousto-optic deflector and field programmable gate array

Qingbao Song, Cheng Wen, Yan Zhang, Guangfu Wang, and Anpei Ye  »View Author Affiliations

Chinese Optics Letters, Vol. 6, Issue 8, pp. 600-602 (2008)

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Accurate calibrations of stiffness and position are crucial to the quantitative measurement with optical tweezers. In this paper, we present a new calibration scheme for optical tweezers including stiffness and position calibrations. In our system, acousto-optic deflectors (AODs) are used as laser beam manipulating component. The AODs are controlled by a field programmable gate array (FPGA) connected to a computer using universal serial bus (USB) communication mode. Our results agree well with the present theory and other experimental results.

© 2008 Chinese Optics Letters

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(170.0170) Medical optics and biotechnology : Medical optics and biotechnology

Qingbao Song, Cheng Wen, Yan Zhang, Guangfu Wang, and Anpei Ye, "Calibration of optical tweezers based on acousto-optic deflector and field programmable gate array," Chin. Opt. Lett. 6, 600-602 (2008)

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