Songtao Chang

Associate  Professor

School of Instrument Science and Opto-electronics Engineering. HFUT

Tel: 13604363928 
Mail:  2020800124@hfut.edu.cn

• 12, 2020 -: Associate Professor, Hefei University of Technology, PR China

• 07, 2015 – 11, 2020: Associate Professor, CIOMP, PR China

Teaching

Applied Optics

Research

Development and application of advanced optical techniques for solving engineering problems. The research focuses on optical design and metrology.

Selected Papers/Patentsand Honors

1.  Xin Yu, Songtao Chang, Weishi Li, Haojie Xia*, A Low-Cost FPGA-Based Coarse-Fine Counting Time-to-Digital Converter With External High-Precision Reference Clock, IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT, VOL. 72, 2023;

2. Feifan Xu, Songtao Chang, Yulu Zhao, Weishi Li, Haojie Xia∗, High-precision moire alignment method using centrosymmetric grating for 3D interlayer interconnect, Optics and Lasers in Engineering 171 (2023) 107815;

3. Yulu Zhao, Songtao Chang, Weishi Li, Jin Zhang, Kirill Poletkin, Haojie Xia∗, Dispersion lens for chromatic confocal spectral interferometry, Optics and Lasers in Engineering (2023);

4. Songtao Chang, Yi Zhang, Haojie Xia*, Weihao Li, Yulu Zhao, A two-step calibration method for measuring the optical transmittance of a cooled infrared imager, Infrared Physics & Technology 134 (2023) 104893