activity
20182025
most citedWide-field, high-resolution lensless on-chip microscopy via near-field blind ptychographic modulation

131 citations · 655 across the 16 of their papers we have counts for

collaborators

16 papers

physics.optics2025★ 7 cited

Deep-ultraviolet ptychographic pocket-scope (DART): mesoscale lensless molecular imaging with label-free spectroscopic contrast

Ruihai Wang, Qianhao Zhao, Julia Quinn +11

The mesoscale characterization of biological specimens has traditionally required compromises between resolution, field-of-view, depth-of-field, and molecular specificity, with mos…

physics.optics2023★ 36 cited

Lensless polarimetric coded ptychography for high-resolution, high-throughput gigapixel birefringence imaging on a chip

Liming Yang, Ruihai Wang, Qianhao Zhao +7

Polarimetric imaging provides valuable insights into the polarization state of light interacting with a sample. It can infer crucial birefringence properties of bio-specimens witho…

physics.ins-det2022★ 48 cited

Blood-coated sensor for high-throughput ptychographic cytometry on a Blu-ray disc

Shaowei Jiang, Chengfei Guo, Tianbo Wang +6

Blu-ray drive is an engineering masterpiece that integrates disc rotation, pickup head translation, and three lasers in a compact and portable format. Here we integrate a blood-coa…

physics.ins-det2021★ 25 cited

Optofluidic ptychography on a chip

Pengming Song, Chengfei Guo, Shaowei Jiang +6

We report the implementation of a fully on-chip, lensless microscopy technique termed optofluidic ptychography. This imaging modality complements the miniaturization provided by mi…

physics.optics2021★ 92 cited

Resolution-enhanced parallel coded ptychography for high-throughput optical imaging

Shaowei Jiang, Chengfei Guo, Pengming Song +11

Ptychography is an enabling coherent diffraction imaging technique for both fundamental and applied sciences. Its applications in optical microscopy, however, fall short for its lo…

physics.ins-det2021★ 46 cited

Ptychographic sensor for large-scale lensless microbial monitoring with high spatiotemporal resolution

Shaowei Jiang, Chengfei Guo, Zichao Bian +9

Traditional microbial detection methods often rely on the overall property of microbial cultures and cannot resolve individual growth event at high spatiotemporal resolution. As a…

eess.IV2021★ 21 cited

High-throughput lensless whole slide imaging via continuous height-varying modulation of tilted sensor

Shaowei Jiang, Chengfei Guo, Patrick Hu +6

We report a new lensless microscopy configuration by integrating the concepts of transverse translational ptychography and defocus multi-height phase retrieval. In this approach, w…

physics.optics2021★ 3 cited

Bypassing the resolution limit of diffractive zone plate optics via rotational Fourier ptychography

Chengfei Guo, Shaowei Jiang, Pengming Song +4

Diffractive zone plate optics uses a thin micro-structure pattern to alter the propagation direction of the incoming light wave. It has found important applications in extreme-wave…

eess.IV2020★ 45 cited

Virtual brightfield and fluorescence staining for Fourier ptychography via unsupervised deep learning

Ruihai Wang, Pengming Song, Shaowei Jiang +6

Fourier ptychographic microscopy (FPM) is a computational approach geared towards creating high-resolution and large field-of-view images without mechanical scanning. To acquire co…

physics.optics2020★ 49 cited

Super-resolved multispectral lensless microscopy via angle-tilted, wavelength-multiplexed ptychographic modulation

Pengming Song, Ruihai Wang, Jiakai Zhu +8

We report an angle-tilted, wavelength-multiplexed ptychographic modulation approach for multispectral lensless on-chip microscopy. In this approach, we illuminate the specimen with…

physics.med-ph2020★ 9 cited

Autofocusing technologies for whole slide imaging and automated microscopy

Zichao Bian, Chengfei Guo, Shaowei Jiang +6

Whole slide imaging (WSI) has moved digital pathology closer to diagnostic practice in recent years. Due to the inherent tissue topography variability, accurate autofocusing remain…

eess.IV2019★ 73 cited

OpenWSI: a low-cost, high-throughput whole slide imaging system via single-frame autofocusing and open-source hardware

Chengfei Guo, Zichao Bian, Shaowei Jiang +7

Recent advancements in whole slide imaging (WSI) have moved pathology closer to digital practice. Existing systems require precise mechanical control and the cost is prohibitive fo…

eess.IV2019★ 131 cited

Wide-field, high-resolution lensless on-chip microscopy via near-field blind ptychographic modulation

Shaowei Jiang, Jiakai Zhu, Pengming Song +7

We report a novel lensless on-chip microscopy platform based on near-field blind ptychographic modulation. In this platform, we place a thin diffuser in between the object and the…

eess.IV2019★ 61 cited

Super-resolution microscopy via ptychographic structured modulation of a diffuser

Pengming Song, Shaowei Jiang, He Zhang +4

We report a new coherent imaging technique, termed ptychographic structured modulation (PSM), for quantitative super-resolution microscopy. In this technique, we place a thin diffu…

physics.optics2019★ 6 cited

Recovering the spectral and spatial information of an object behind a scattering media

Lei Zhu, Jietao Liu, Lei Feng +3

Light passing through scattering media will be strongly scattered and diffused into complex speckle pattern, which contains almost all the spatial information and spectral informat…

eess.IV2018★ 3 cited

Non-invasive imaging through thin scattering layers with broadband illumination

Tengfei Wu, Chengfei Guo, Xiaopeng Shao

Memory-effect-based methods have been demonstrated to be feasible to observe hidden objects through thin scattering layers, even from a single-shot speckle pattern. However, most o…