Single-tube on beam quartz-enhanced photoacoustic spectrophones exploiting a custom quartz tuning fork operating in the overtone mode

Marilena Giglio; Angelo Sampaolo; Pietro Patimisco; Huadan Zheng; Hongpeng Wu; Lei Dong; Frank K. Tittel; Vincenzo Spagnolo

doi:10.1117/12.2252368

27 January 2017 Single-tube on beam quartz-enhanced photoacoustic spectrophones exploiting a custom quartz tuning fork operating in the overtone mode

Marilena Giglio, Angelo Sampaolo, Pietro Patimisco, Huadan Zheng, Hongpeng Wu, Lei Dong, Frank K. Tittel, Vincenzo Spagnolo

Author Affiliations +

Proceedings Volume 10111, Quantum Sensing and Nano Electronics and Photonics XIV; 1011107 (2017) https://doi.org/10.1117/12.2252368
Event: SPIE OPTO, 2017, San Francisco, California, United States

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.

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Citation Download Citation

Marilena Giglio, Angelo Sampaolo, Pietro Patimisco, Huadan Zheng, Hongpeng Wu, Lei Dong, Frank K. Tittel, and Vincenzo Spagnolo "Single-tube on beam quartz-enhanced photoacoustic spectrophones exploiting a custom quartz tuning fork operating in the overtone mode", Proc. SPIE 10111, Quantum Sensing and Nano Electronics and Photonics XIV, 1011107 (27 January 2017); https://doi.org/10.1117/12.2252368

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