Method of sampling and positioning for laser scanning microscope: load cell method (Proceedings Only)

Yu-Pin Lan; Ren-Huei Hsu; Sheng-Hua Lu; Mao-Sheng Huang

doi:10.1117/12.134901

1 February 1992 Method of sampling and positioning for laser scanning microscope: load cell method (Proceedings Only)

Yu-Pin Lan, Ren-Huei Hsu, Sheng-Hua Lu, Mao-Sheng Huang

Proceedings Volume 1556, Scanning Microscopy Instrumentation; (1992) https://doi.org/10.1117/12.134901
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

The output signal of microtranslators such as PZT is not always proportional to the input signal. It usually is expensive and requires special techniques for linearization. A method is described that is simple, inexpensive, and accurate for measuring the length variations of PZT. A commercialized load cell is directly attached to a PZT (the output voltage of the load cell versus the expansion of PZT has very good linearity) and is then applied to the scanning mechanism for a laser scanning microscope (LSM). A sampling circuit for the increasing voltage used to produce sampling pulses is also studied.

Citation Download Citation

Yu-Pin Lan, Ren-Huei Hsu, Sheng-Hua Lu, and Mao-Sheng Huang "Method of sampling and positioning for laser scanning microscope: load cell method (Proceedings Only)", Proc. SPIE 1556, Scanning Microscopy Instrumentation, (1 February 1992); https://doi.org/10.1117/12.134901

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