Dynamic Responses of Electrically Driven Quartz Tuning Fork and qPlus Sensor: A Comprehensive Electromechanical Model for Quartz Tuning Fork [PDF]
Sensors, 2019 A quartz tuning fork and its qPlus configuration show different characteristics in their dynamic features, including peak amplitude, resonance frequency, and quality factor.
Manhee Lee +3 more
doaj +8 more sources
A light-induced thermoelastic spectroscopy using surface mounted device quartz tuning fork [PDF]
PhotoacousticsThis paper reported on a system for the detection of trace acetylene (C2H2) gas utilizing a surface mounted device quartz tuning fork (SMD QTF) in conjunction with light-induced thermoelastic spectroscopy (LITES) and provided a comparative analysis ...
Shaoqiang Bi +7 more
doaj +4 more sources
Quartz Enhanced Photoacoustic Spectroscopy Based on a Custom Quartz Tuning Fork [PDF]
Sensors, 2019 We have designed and fabricated a custom quartz tuning fork (QTF) with a reduced fundamental frequency; a larger gap between the prongs; and the best quality factor in air at atmospheric conditions ever reported, to our knowledge.
Maxime Duquesnoy +5 more
doaj +7 more sources
Quartz-Enhanced Photoacoustic Spectroscopy Sensor with a Small-Gap Quartz Tuning Fork [PDF]
Sensors, 2018 A highly sensitive quartz-enhanced photoacoustic spectroscopy (QEPAS) sensor based on a custom quartz tuning fork (QTF) with a small-gap of 200 μm was demonstrated.
Yu-Fei Ma +4 more
doaj +6 more sources
Nanopipette/Nanorod-Combined Quartz Tuning Fork–Atomic Force Microscope [PDF]
Sensors, 2019 We introduce a nanopipette/quartz tuning fork (QTF)–atomic force microscope (AFM) for nanolithography and a nanorod/QTF–AFM for nanoscratching with in situ detection of shear dynamics during performance.
Sangmin An, Wonho Jhe
doaj +6 more sources
Finite Element Analysis of Electrically Excited Quartz Tuning Fork Devices [PDF]
Sensors, 2013 Quartz Tuning Fork (QTF)-based Scanning Probe Microscopy (SPM) is an important field of research. A suitable model for the QTF is important to obtain quantitative measurements with these devices.
Manel Puig-Vidal +5 more
doaj +8 more sources
Mid-infrared intracavity quartz-enhanced photoacoustic spectroscopy with pptv – Level sensitivity using a T-shaped custom tuning fork [PDF]
Photoacoustics, 2022 Resonant optical power buildup inside a high finesse cavity is exploited to boost the sensitivity in quartz-enhanced photoacoustic spectroscopy (QEPAS) for CO, N2O and H2O detection, operating at a wavelength of 4.59 µm.
Jakob Hayden +4 more
doaj +4 more sources
Design of a Transformer Oil Viscosity, Density, and Dielectric Constant Simultaneous Measurement System Based on a Quartz Tuning Fork [PDF]
SensorsTransformer oil, crucial for transformer and power system safety, demands effective monitoring. Aiming to address the problems of expensive and bulky equipment, poor real-time performance, and single parameter detection of traditional measurement methods,
Hao Yang, Shijie Chen, Jiafeng Ding
doaj +3 more sources
Improved T-shaped quartz tuning fork with isosceles-trapezoidal grooves optimized for quartz-enhanced photoacoustic spectroscopy. [PDF]
PhotoacousticsThe quartz tuning fork (QTF) being the acoustic-electrical conversion element for quartz-enhanced photoacoustic spectroscopy (QEPAS) system directly affects the detection sensitivity.
Fang F +7 more
europepmc +3 more sources
Improved Tuning Fork for Terahertz Quartz-Enhanced Photoacoustic Spectroscopy [PDF]
Sensors, 2016 We report on a quartz-enhanced photoacoustic (QEPAS) sensor for methanol (CH3OH) detection employing a novel quartz tuning fork (QTF), specifically designed to enhance the QEPAS sensing performance in the terahertz (THz) spectral range.
Angelo Sampaolo +2 more
exaly +7 more sources