Results 1 to 10 of about 13,912 (266)

A light-induced thermoelastic spectroscopy using surface mounted device quartz tuning fork [PDF]

open access: yesPhotoacoustics
This 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   +3 more sources

Dynamic Responses of Electrically Driven Quartz Tuning Fork and qPlus Sensor: A Comprehensive Electromechanical Model for Quartz Tuning Fork [PDF]

open access: yesSensors, 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   +5 more sources

Nanopipette/Nanorod-Combined Quartz Tuning Fork–Atomic Force Microscope [PDF]

open access: yesSensors, 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   +5 more sources

Improving the Lateral Resolution of Quartz Tuning Fork-Based Sensors in Liquid by Integrating Commercial AFM Tips into the Fiber End [PDF]

open access: yesSensors, 2015
The use of quartz tuning fork sensors as probes for scanning probe microscopy is growing in popularity. Working in shear mode, some methods achieve a lateral resolution comparable with that obtained with standard cantilevered probes, but only in ...
Laura Gonzalez   +5 more
doaj   +7 more sources

Design of a Transformer Oil Viscosity, Density, and Dielectric Constant Simultaneous Measurement System Based on a Quartz Tuning Fork [PDF]

open access: yesSensors
Transformer 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

Light-induced thermoelastic sensor for ppb-level H2S detection in a SF6 gas matrices exploiting a mini-multi-pass cell and quartz tuning fork photodetector. [PDF]

open access: yesPhotoacoustics, 2023
We present an optical sensor based on light-induced thermoelastic spectroscopy for the detection of hydrogen sulfide (H2S) in sulfur hexafluoride (SF6). The sensor incorporates a compact multi-pass cell measuring 6 cm × 4 cm × 4 cm and utilizes a quartz ...
Sun B   +6 more
europepmc   +2 more sources

A high sensitive methane QEPAS sensor based on self-designed trapezoidal-head quartz tuning fork and high power diode laser. [PDF]

open access: yesPhotoacoustics
A high sensitive methane (CH4) sensor based on quartz-enhanced photoacoustic spectroscopy (QEPAS) using self-designed trapezoidal-head quartz tuning fork (QTF) and high power diode laser is reported for the first time in this paper.
Ma H, Chen Y, Qiao S, He Y, Ma Y.
europepmc   +2 more sources

Toward the Real-Time and Rapid Quantification of Bacterial Cells Utilizing a Quartz Tuning Fork Sensor. [PDF]

open access: yesMicromachines (Basel), 2023
The quantitative evaluation of bacterial populations is required in many studies, particularly in the field of microbiology. The current techniques can be time-consuming and require a large volume of samples and trained laboratory personnel.
Alshammari A   +9 more
europepmc   +2 more sources

Study and Characterization of Silicon Nitride Optical Waveguide Coupling with a Quartz Tuning Fork for the Development of Integrated Sensing Platforms. [PDF]

open access: yesSensors (Basel)
Highlights What are the main findings? We successfully coupled a silicon nitride waveguide with a custom-designed, low-frequency, and T-shaped QTF, enabling both Quartz-Enhanced Photoacoustic Spectroscopy (QEPAS) and Light-Induced Thermoelastic ...
Melchiorre L   +7 more
europepmc   +2 more sources

Equivalent Electromechanical Model for Quartz Tuning Fork Used in Atomic Force Microscopy. [PDF]

open access: yesSensors (Basel), 2023
Quartz tuning forks (QTFs) are self-sensing and possess a high quality factor, allowing them to be used as probes for atomic force microscopes (AFMs) for which they offer nano-scale resolution of sample images.
Lin R   +7 more
europepmc   +2 more sources

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