Dual Path Lock-In System for Elimination of Residual Amplitude Modulation and SNR Enhancement in Photoacoustic Spectroscopy

by Qinduan Zhang, Jun Chang, Zhenhua Cong, Zongliang Wang, Fupeng Wang
Published 2018-12-01

Underwater High-Precision 3D Reconstruction System Based on Rotating Scanning

by Qingsheng Xue, Qian Sun, Fupeng Wang, Haoxuan Bai, Bai Yang, Qian Li
Published 2021-02-01

SNR Improvement of QEPAS System by Preamplifier Circuit Optimization and Frequency Locked Technique

by Qinduan Zhang, Jun Chang, Zongliang Wang, Fupeng Wang, Fengting Jiang, Mengyao Wang
Published 2018-03-01

Comparing imaging capabilities of spectral domain and swept source optical coherence tomography angiography in healthy subjects and central serous retinopathy

by Fupeng Wang, Qinqin Zhang, Anthony J. Deegan, Jun Chang, Ruikang K. Wang
Published 2018-08-01

Acousto-Optic Q-Switched Fiber Laser-Based Intra-Cavity Photoacoustic Spectroscopy for Trace Gas Detection

by Qinduan Zhang, Jun Chang, Qiang Wang, Zongliang Wang, Fupeng Wang, Zengguang Qin
Published 2017-12-01

Distributed gas detection utilizing Fourier domain optical coherence based absorption spectroscopy

by Fupeng Wang, Jun Chang, Zhiwen Zhang, Jiachen Sun, Qinduan Zhang, Cunguang Zhu, Zongliang Wang
Published 2019-06-01

A portable analog lock-in amplifier for accurate phase measurement and application in high-precision optical oxygen concentration detection

by Xi Chen, Jun Chang, Fupeng Wang, Zongliang Wang, Wei Wei, Yuanyuan Liu, Zengguang Qin
Published 2016-10-01

A DFB-LD Internal Temperature Fluctuation Analysis in a TDLAS System for Gas Detection

by Yulei Xie, Jun Chang, Xiaohan Chen, Jiachen Sun, Qinduan Zhang, Fupeng Wang, Zhiwen Zhang, Yiwen Feng
Published 2019-01-01