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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 37, Iss. 7 — Apr. 1, 2012
  • pp: 1187–1189

Optical readout method based on a narrow-strip filter for microcantilever array sensing

Cheng Gong, Mei Hui, Liquan Dong, Yuejin Zhao, Xiaomei Yu, and Xiaohua Liu  »View Author Affiliations

Optics Letters, Vol. 37, Issue 7, pp. 1187-1189 (2012)

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An effective optical readout approach based on a narrow-strip filter is presented to detect bends of a bimaterial microcantilever focal plane array, by which light intensity of the image plane (CCD image sensor plane) can be increased and its uniformity on the image plane effectively enhanced. It reduces the noise equivalent temperature difference of the microcantilever focal plane array IR imaging system and improves uniformity of the IR images. A comparative experiment is designed to verify effectiveness. The experimental results show that the proposed method has advantages of preferable effect.

© 2012 Optical Society of America

OCIS Codes
(070.6110) Fourier optics and signal processing : Spatial filtering
(110.3080) Imaging systems : Infrared imaging
(040.6808) Detectors : Thermal (uncooled) IR detectors, arrays and imaging

ToC Category:
Fourier Optics and Signal Processing

Original Manuscript: December 12, 2011
Manuscript Accepted: January 22, 2012
Published: March 26, 2012

Cheng Gong, Mei Hui, Liquan Dong, Yuejin Zhao, Xiaomei Yu, and Xiaohua Liu, "Optical readout method based on a narrow-strip filter for microcantilever array sensing," Opt. Lett. 37, 1187-1189 (2012)

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