Quantitative Phase Imaging & Tomography

Topics include: Quantitative phase imaging, phase retrieval, diffraction tomography, and inverse scattering.

Dual-wavelength Fourier Ptychographic Topography

Yi Shen, Tongyu Li, Hao Wang, Jinyong Kim, Hojun Lee, Wookrae Kim, Jonghyeok Park, Junho Shin, Seungbeom Park and Lei TianIEEE Transactions on Computational Imaging 2026.

Mid-infrared photothermal relaxation intensity diffraction tomography for video-rate volumetric chemical imaging

Danchen Jia, Dashan Dong, Tongyu Li, Haonan Zong, Jiabei Zhu, Xinyan Teng, Lei Tian, and Ji-Xin Cheng
Optics Express 34, 16440–16453 (2026).

PRIDT system design, timing diagram, and reconstruction pipeline

Transfer-function approach to substrate-enhanced diffraction tomography

Tongyu Li, Yi Shen, Dashan Dong, Danchen Jia, Jianpeng Ao, Ji-Xin Cheng, and Lei Tian
Optica, 2026.
⭑ Github Project

Reflection-mode Multi-slice Fourier Ptychographic Tomography

J Zhu, T Li, H Wang, Y Shen, G Hu, L Tian
IEEE Transactions on Computational Imaging, 2026
⭑ Github Project

Whitened Score Diffusion: A Structured Prior for Imaging Inverse Problems

J Alido, T Li, Y Sun, L Tian
NeurIPS 2025.
⭑ Github Project

Ultrafast tomograms in a flash

Lei Tian
Science Advances 11(33), eaea2494 (2025). Focus / Commentary.

Reflection-mode diffraction tomography of multiple-scattering samples on a reflective substrate from intensity images

Tongyu Li, Jiabei Zhu, Yi Shen, and Lei Tian
Optica Vol. 12, Issue 3, pp. 406-417 (2025).

Chiral phase-imaging meta-sensors

Ahmet M. Erturan, Jianing Liu, Maliheh A. Roueini, Nicolas Malamug, Lei Tian, and Roberto Paiella
Nanophotonics 14(7), 947–957 (2025).

Chiral metasurface photodetector architecture and polarization-selective response

NeuPh: scalable and generalizable neural phase retrieval with local conditional neural fields

Hao Wang, Jiabei Zhu, Yunzhe Li, Qianwan Yang, Lei Tian
Advanced Photonics Nexus, Vol. 3, Issue 5, 056005 (August 2024)
⭑ Github Project

Asymmetric metasurface photodetectors for single-shot quantitative phase imaging

Jianing Liu , Hao Wang , Yuyu Li , Lei Tian, Roberto Paiella
Nanophotonics (2023).

Mid-infrared chemical imaging of intracellular tau fibrils using fluorescence-guided computational photothermal microscopy

Jian Zhao, Lulu Jiang, Alex Matlock, Yihong Xu, Jiabei Zhu, Hongbo Zhu, Lei Tian, Benjamin Wolozin & Ji-Xin Cheng
Light: Science & Applications 12, 147 (2023).

Fourier ptychographic topography

H. Wang, J. Zhu, J. Sung, G. Hu, J. Greene, Y. Li, S. Park, W. Kim, M. Lee, Y. Yang, L. Tian
Optics Express 31, pp. 11007-11018 (2023)
⭑Open-Source Dataset

Multiple-scattering simulator-trained neural network for intensity diffraction tomography

A. Matlock, J. Zhu, L. Tian
Optics Express 31, 4094-4107 (2023)

Bond-Selective Intensity Diffraction Tomography

Jian Zhao, Alex Matlock, Hongbo Zhu, Ziqi Song, Jiabei Zhu, Biao Wang, Fukai Chen, Yuewei Zhan, Zhicong Chen, Yihong Xu, Xingchen Lin, Lei Tian, Ji-Xin Cheng
Nature Commun. 13, 7767 (2022).

Recovery of Continuous 3D Refractive Index Maps from Discrete Intensity-Only Measurements using Neural Fields

Renhao Liu, Yu Sun, Jiabei Zhu, Lei Tian, Ulugbek Kamilov
Nature Machine Intelligence 4, 781–791 (2022).

High-fidelity intensity diffraction tomography with a non-paraxial multiple-scattering model

Jiabei Zhu, Hao Wang, Lei Tian
Optics Express Vol. 30, Issue 18, pp. 32808-32821 (2022).

⭑Github Project

Roadmap on digital holography

Bahram Javidi, Artur Carnicer, Arun Anand, George Barbastathis, Wen Chen, Pietro Ferraro, J. W. Goodman, Ryoichi Horisaki, Kedar Khare, Malgorzata Kujawinska, Rainer A. Leitgeb, Pierre Marquet, Takanori Nomura, Aydogan Ozcan, YongKeun Park, Giancarlo Pedrini, Pascal Picart, Joseph Rosen, Genaro Saavedra, Natan T. Shaked, Adrian Stern, Enrique Tajahuerce, Lei Tian, Gordon Wetzstein, and Masahiro Yamaguchi
Optics Express Vol. 29, Issue 22, pp. 35078-35118 (2021).