Publications by authors named "Baiyang Antonio Zhou Montano"
Article Synopsis
- A highly sensitive near-infrared CO sensor was developed using quartz-enhanced photoacoustic spectroscopy with a novel 28 kHz quartz tuning fork for better detection.
- The integrated sensor achieved a detection limit of 5.4 ppm and an improved minimum detection limit of 0.7 ppm, demonstrating advanced performance for CO monitoring.
- This portable sensor was successfully utilized for continuous 24-hour CO monitoring in a greenhouse, revealing notable concentration variations related to plant photosynthesis and respiration.
A high-power near-infrared (NIR) quartz enhanced photoacoustic spectroscopy (QEPAS) sensor for part per billion (ppb) level acetylene (CH) detection was reported. A 1536 nm distributed feedback (DFB) diode laser was used as the excitation light source. Cooperated with the laser, a C-band 10 W erbium-doped fiber amplifier (EDFA) was employed to boost the optical excitation power to improve QEPAS detection sensitivity.
View Article and Find Full Text PDFIn this paper, an on-beam quartz-enhanced photoacoustic spectroscopy (QEPAS) sensor based on a custom quartz tuning fork (QTF) acting as a photoacoustic transducer, was realized and tested. The QTF is characterized by a resonance frequency of 28 kHz, ~15% lower than that of a commercially available 32.7 kHz standard QTF.
View Article and Find Full Text PDFRadial-cavity quartz-enhanced photoacoustic spectroscopy (RC-QEPAS) was proposed for trace gas analysis. A radial cavity with (0,0,1) resonance mode was coupled with the quartz tuning fork (QTF) to greatly enhance the QEPAS signal and facilitate the optical alignment. The coupled resonance enhancement effects of the radial cavity and QTF were analyzed theoretically and researched experimentally.
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