Results 91 to 100 of about 25,059 (249)

Studies on lasers and laser devices [PDF]

The goal of this grant was to study lasers, laser devices, and uses of lasers for investigating physical phenomena are studied. The active projects included the development of a tunable, narrowband XUV light source and its application to the spectroscopy
Harris, S. E., Siegman, A. E., Young, J. F.   +2 more
core   +1 more source

Application of a nudging technique to thermoacoustic tomography [PDF]

, 2010
ThermoAcoustic Tomography (TAT) is a promising, non invasive, medical imaging technique whose inverse problem can be formulated as an initial condition reconstruction.
Bonnefond, Xavier, Marinesque, Sébastien   +1 more
core   +2 more sources

Luminescent nano‐structured semiconductor materials via doping engineering: Functional applications toward intelligent optoelectronics and photonics

Information &Functional Materials, EarlyView.
This cover focuses on luminescent ion‐doped nano‐structured semiconductors (0D/1D/2D), highlighting their coupling mechanisms, diverse applications, and future directions. It visualizes core uses in information, biomedicine, and energy for intelligent optoelectronics/photonics.
Kai Chen, Shenlei Shi, Yan Li, Esmaeil Heydari, Jianfeng Wang, Karol Bartosiewicz, Gongxun Bai   +6 more
wiley   +1 more source

Low-Cost, LED-Based Photoacoustic Spectrophone Using Hemispherical Acoustic Resonant Cavity for Measurement of Hydrocarbon Gases

Atmosphere
Spherical acoustic resonant cavities have been increasingly reported in photoacoustic spectroscopy due to their small volume and enhanced effective gas absorption path length.
Gaoxuan Wang, Lingxiao Hou, Fangjun Li, Lihui Wang, Chao Fei, Xiaojian Hong, Sailing He   +6 more
doaj   +1 more source

Review of Recent Advances in QEPAS-Based Trace Gas Sensing

Applied Sciences, 2018
Quartz-enhanced photoacoustic spectroscopy (QEPAS) is an improvement of the conventional microphone-based photoacoustic spectroscopy. In the QEPAS technique, a commercially available millimeter-sized piezoelectric element quartz tuning fork (QTF) is used
Yufei Ma
doaj   +1 more source

Lymph‐based liquid biopsy: Current progress and future potential

Interdisciplinary Medicine, EarlyView.
Recent evidence under the revised Starling principle indicates that lymph‐based liquid biopsies may offer superior diagnostic performance over blood‐based counterparts in certain clinical scenarios, such as early‐stage solid tumor detection. Currently, various biomarkers within the lymphatic system show significant diagnostic potential for a range of ...
Dongdong Liu, Leheng Cheng, Xiaolin Hu, Sergio Bernardini, Hong Zhang, Ling Zhu, Yang Luo   +6 more
wiley   +1 more source

Ultra-highly sensitive dual gases detection based on photoacoustic spectroscopy by exploiting a long-wave, high-power, wide-tunable, single-longitudinal-mode solid-state laser

Light: Science & Applications
Photoacoustic spectroscopy (PAS) as a highly sensitive and selective trace gas detection technique has extremely broad application in many fields. However, the laser sources currently used in PAS limit the sensing performance. Compared to diode laser and
Shunda Qiao, Ying He, Haiyue Sun, Pietro Patimisco, Angelo Sampaolo, Vincenzo Spagnolo, Yufei Ma   +6 more
doaj   +1 more source

photoacoustic spectroscopy

, 2014
Citation: 'photoacoustic spectroscopy' in the IUPAC Compendium of Chemical Terminology, 3rd ed.; International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. 10.1351/goldbook.P04576 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual terms.
openaire   +1 more source

Improved Sensitivity in Large Field of View Multispectral Laser‐Scanning Photoacoustic Microscopy for Measuring Oxygen Saturation In Vivo

Journal of Biophotonics, EarlyView.
Validation of large field of view multispectral laser‐scanning photoacoustic microscopy (LS‐MS‐PAM) for sO2 measurements. ABSTRACT Multispectral photoacoustic microscopy (PAM) using stimulated Raman scattering (SRS) has been employed to measure oxygen saturation (sO2) in biological tissue.
Mohsin Zafar, Amir Khansari, Rayyan Manwar, Kamran Avanaki   +3 more
wiley   +1 more source

A Comparative Study on Signal Decomposition Techniques for Stimulated Raman Photoacoustic Microscopy

Journal of Biophotonics, EarlyView.
Comparison of sO2 maps generated using signal decomposition methods. ABSTRACT In this paper, we present a comparative study of signal decomposition techniques in multispectral photoacoustic microscopy (MS‐PAM) systems that are based on the use of stimulated Raman spectroscopy (SRS).
Amir Khansari, Hossein Khodavirdi, Seyed Mohsen Ranjbaran, Mohsin Zafar, Mohammad Javad Beirami, Kamran Avanaki   +5 more
wiley   +1 more source