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Proceedings Paper

Single-tube on beam quartz-enhanced photoacoustic spectrophones exploiting a custom quartz tuning fork operating in the overtone mode
Author(s): Marilena Giglio; Angelo Sampaolo; Pietro Patimisco; Huadan Zheng; Hongpeng Wu; Lei Dong; Frank K. Tittel; Vincenzo Spagnolo
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Paper Abstract

We report here on the realization of a single-tube on-beam quartz-enhanced photoacoustic (QEPAS) spectroscopy sensor employing a custom-made quartz tuning fork (QTF) with a large prong spacing. The prongs of the QTF have been designed in order to provide a quality factor twice higher when the QTF operates in the first overtone flexural mode than in the fundamental mode. The influence of the microresonator tube on the main parameters characterizing the sensing performance of the QEPAS spectrophone, including the quality factor, the magnitude of the QEPAS signal and the associated background noise was investigated in detail.

Paper Details

Date Published: 27 January 2017
PDF: 8 pages
Proc. SPIE 10111, Quantum Sensing and Nano Electronics and Photonics XIV, 1011107 (27 January 2017); doi: 10.1117/12.2252368
Show Author Affiliations
Marilena Giglio, Politecnico di Bari, CNR (Italy)
Rice Univ. (United States)
Angelo Sampaolo, Politecnico di Bari, CNR (Italy)
Rice Univ. (United States)
Pietro Patimisco, Politecnico di Bari, CNR (Italy)
Rice Univ. (United States)
Huadan Zheng, Rice Univ. (United States)
Shanxi Univ. (China)
Hongpeng Wu, Rice Univ. (United States)
Shanxi Univ. (China)
Lei Dong, Shanxi Univ. (China)
Frank K. Tittel, Rice Univ. (United States)
Vincenzo Spagnolo, Politecnico di Bari, CNR (Italy)


Published in SPIE Proceedings Vol. 10111:
Quantum Sensing and Nano Electronics and Photonics XIV
Manijeh Razeghi, Editor(s)

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