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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 22 — Nov. 4, 2013
  • pp: 26303–26310

Development and calibration of a single UV LED based bioaerosol monitor

Pei Zhang, Yongkai Zhao, Xiaoqing Liao, Wei Yang, Yongkang Zhu, and Huijie Huang  »View Author Affiliations


Optics Express, Vol. 21, Issue 22, pp. 26303-26310 (2013)
http://dx.doi.org/10.1364/OE.21.026303


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Abstract

A high-sensitivity bioaerosol monitor based on a single 365 nm LED is developed and a calibration approach is discussed for the first time. The fluorescence detection system, which is the core part of the monitor, contains an optical detection module and a fluorescence signal processor configured with a phase sensitive detector (PSD). B800 fluorescent microspheres and staphylococcus are used for performance evaluation of the monitor. B800 microspheres are appropriate as calibration material. The experimental results demonstrate the PSD plays a significant role in improving sensitivity and signal-to-noise ratio (SNR) of detection. Our monitor can detect staphylococcus concentration above 1800 cfu/L of air stably.

© 2013 Optical Society of America

OCIS Codes
(010.1100) Atmospheric and oceanic optics : Aerosol detection
(280.1100) Remote sensing and sensors : Aerosol detection
(280.1415) Remote sensing and sensors : Biological sensing and sensors

ToC Category:
Remote Sensing

History
Original Manuscript: August 19, 2013
Revised Manuscript: October 12, 2013
Manuscript Accepted: October 13, 2013
Published: October 25, 2013

Virtual Issues
Vol. 9, Iss. 1 Virtual Journal for Biomedical Optics

Citation
Pei Zhang, Yongkai Zhao, Xiaoqing Liao, Wei Yang, Yongkang Zhu, and Huijie Huang, "Development and calibration of a single UV LED based bioaerosol monitor," Opt. Express 21, 26303-26310 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-22-26303


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