Simultaneous extraction of photoelastic constants and strain profiles from picosecond ultrasonic echoes via spectral analysis [0.03%]
基于频谱分析的飞秒超快声光回波同时提取材料光弹常数和应变分布信息的方法
Motonobu Tomoda,Osamu Matsuda,Takehiro Tachizaki et al.
Motonobu Tomoda et al.
We present an echo spectral analysis method for picosecond ultrasonics that allows simultaneous determination of the complex photoelastic constant of an opaque isotropic thin film and its acoustic strain profile directly from optical pump-p...
Assessing image quality in photoacoustic imaging: A metric-based and deep learning-based evaluation [0.03%]
基于度量和深度学习的光声成像图像质量评估方法研究
Melle Van Der Brugge,Kalloor Joseph Francis,Navchetan Awasthi
Melle Van Der Brugge
Photoacoustic (PA) imaging offers high-resolution functional imaging in vivo, but image quality varies with acquisition hardware, reconstruction methods, and scanning conditions. Reliable image quality assessment (IQA) is therefore critical...
Assessing dyspnea severity in chronic obstructive pulmonary disease using intercostal muscle ultrasound/photoacoustic multimodal imaging [0.03%]
用于慢性阻塞性肺疾病间质肌超声/光声多模态成像评估呼吸困难严重程度
Yuxin Zhang,Jiaxin Tang,Zhengnan Lai et al.
Yuxin Zhang et al.
Objective: This study investigated the feasibility of ultrasound/photoacoustic imaging (US/PAI) for assessing dyspnea severity in patients with chronic obstructive pulmonary disease (COPD) by concurrently evaluating inter...
Simultaneous detection of methane and carbon dioxide in human exhalation based on photoacoustic spectroscopy [0.03%]
基于光声光谱的人呼气中甲烷和二氧化碳的同时检测
Chaofeng Sun,Chunyan Wang,Xiaowen Shen et al.
Chaofeng Sun et al.
To address the demand for simultaneous multi-gas detection in medical diagnostics, this work develops an online breath sensing system based on photoacoustic spectroscopy (PAS), achieving real-time simultaneous monitoring of multiple exhaled...
Deep computational photoacoustic mesoscopy through heterogeneous tissues enabled by scanning compensation and angular-spectrum enhancement [0.03%]
基于扫描补偿和角谱增强的透射不均匀组织深度计算型光声中观成像技术
Bingqian Yang,Xiao Hu,Shuai Zhao et al.
Bingqian Yang et al.
Optical microscopy enables high-resolution visualization of biological structures but is fundamentally limited in vivo by strong scattering, restricting penetration to superficial depths. Photoacoustic microscopy (PAM) overcomes this optica...
Differential photoacoustic-stimulated Raman spectroscopy (DPA-SRS) for high-sensitivity hydrogen detection [0.03%]
高灵敏度氢检测的差分光声刺激拉曼散射(DPA-SRS)技术
Xin Yu,Zhengang Li,Jiaxiang Liu et al.
Xin Yu et al.
To detect non-polar, infrared-inactive hydrogen, a Differential Photoacoustic-Stimulated Raman Spectroscopy (DPA-SRS) method is proposed. Utilizing the SRS process, a portion of the pump light is converted into intense Stokes light correspo...
Corrigendum to "Ultra-miniature and sensitive optical fiber-tip optomechanical resonant photoacoustic spectroscopy gas sensors" Photoacoustics 46(2025) 100784 [0.03%]
“超微光学纤维端光机电共振声光谱气体传感器”的勘误（编号：Photoacoustics 46(2025) 100784）
Taige Li,Pengcheng Zhao,Peng Wang et al.
Taige Li et al.
[This corrects the article DOI: 10.1016/j.pacs.2025.100784.]. © 2025 The Authors.
Published Erratum
Photoacoustics. 2025 Dec 22:47:100791. DOI:10.1016/j.pacs.2025.100791 2025
Chirp-modulated light-induced thermoelastic spectroscopy for simultaneous precise measurement of resonant frequency and gas concentration [0.03%]
用于同时精确测量谐振频率和气体浓度的 chirp 调制光诱导热弹性光谱法
Xiang Chen,Xinyao Chen,Lu Yao et al.
Xiang Chen et al.
This paper demonstrates chirp-modulated light-induced thermoelastic spectroscopy (LITES), enabling simultaneous precise measurement of quartz tuning fork (QTF) resonant frequency and gas concentration. The injection current of the laser is ...
Spatially engineered optical-acoustic matching in quartz-enhanced photoacoustic spectroscopy [0.03%]
基于石英增强光声光谱的光学-声学匹配的空间工程化
Ruyue Cui,Wenfei Han,Chenglong Wang et al.
Ruyue Cui et al.
Quartz-enhanced photoacoustic spectroscopy (QEPAS) offers high sensitivity for trace-gas detection, but its performance is often limited by a spatial mismatch between distributed photoacoustic excitation and the intrinsic sensitivity region...
Spectral photoacoustic imaging of age-related reproductive tract collagen changes in a mouse model of prolapse [0.03%]
基于小鼠盆腔器官脱垂模型的年龄相关生殖道胶原蛋白变化的光声成像研究
Andrew C Markel,Viraj Puri,Mari J E Domingo et al.
Andrew C Markel et al.
Monitoring collagen may help physicians assess female reproductive health, since altered collagen with age is an established risk factor for female reproductive disorders including pelvic organ prolapse. Currently, quantifying collagen in s...