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Conferences > AIO > 2018 > JTu4A > JTu4A.7
  • Imaging and Applied Optics 2018 (3D, AO, AIO, COSI, DH, IS, LACSEA, LS&C, MATH, pcAOP)
  • OSA Technical Digest (Optica Publishing Group, 2018),
  • paper JTu4A.7
  • •https://doi.org/10.1364/3D.2018.JTu4A.7

High-Sensitivity Measurement of Environmental NO2 by Laser Photoacoustic Spectroscopy

Gaoxuan Wang, Hongming Yi, Eric Fertein, Markus W. Sigrist, and Weidong Chen

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Abstract

A photoacoustic spectroscopy based NO2 sensor was developed for measurement of ambient NO2 with a sensitivity of about 0.4 ppb (SNR=1) in 1 min, which was validated with side-by-side measurements using a referenced NOx analyzer.

© 2018 The Author(s)

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