Single-shot multispectral imaging with a monochromatic camera

SK Sahoo, D Tang, C Dang - Optica, 2017 - opg.optica.org
Multispectral imaging plays an important role in many applications, from astronomical
imaging and earth observation to biomedical imaging. However, current technologies are …

Overlapping speckle correlation algorithm for high-resolution imaging and tracking of objects in unknown scattering media

Y Shi, W Sheng, Y Fu, Y Liu - Nature Communications, 2023 - nature.com
Optical imaging in scattering media is important to many fields but remains challenging.
Recent methods have focused on imaging through thin scattering layers or thicker scattering …

Focusing inside disordered media with the generalized Wigner-Smith operator

P Ambichl, A Brandstötter, J Böhm, M Kühmayer… - Physical review …, 2017 - APS
We introduce a wave front shaping protocol for focusing inside disordered media based on a
generalization of the established Wigner-Smith time-delay operator. The key ingredient for …

Imaging of objects through a thin scattering layer using a spectrally and spatially separated reference

X Xu, X Xie, A Thendiyammal, H Zhuang, J Xie… - Optics …, 2018 - opg.optica.org
Incoherently illuminated or luminescent objects give rise to a low-contrast speckle-like
pattern when observed through a thin diffusive medium, as such a medium effectively …

Imaging objects through scattering layers and around corners by retrieval of the scattered point spread function

X Xu, X Xie, H He, H Zhuang, J Zhou… - Optics …, 2017 - opg.optica.org
We demonstrate a high-speed method to image objects through thin scattering media and
around corners. The method employs a reference object of known shape to retrieve the …

Lensless imaging through thin scattering layers under broadband illumination

W Li, B Wang, T Wu, F Xu, X Shao - Photonics Research, 2022 - opg.optica.org
Lensless scattering imaging is a prospective approach to microscopy in which a high-
resolution image of an object is reconstructed from one or more measured speckle patterns …

[PDF][PDF] Robust far-field imaging by spatial coherence engineering

Y Liu, Y Chen, F Wang, Y Cai, C Liang… - Opto-Electron …, 2021 - researching.cn
In this section, we derive the cross-spectral density (CSD) function of a cosine-Gaussian
correlated Schell-model (CGCSM) beam with a cross phase (CP), propagating in a paraxial …

Color imaging through scattering media based on phase retrieval with triple correlation

L Zhu, Y Wu, J Liu, T Wu, L Liu, X Shao - Optics and Lasers in Engineering, 2020 - Elsevier
Light passing through scattering media will be strongly scattered and diffused into a complex
speckle pattern, which contains most of the spatial information and color information of the …

Super-resolution sensing with a randomly scattering analyzer

Q Luo, JA Patel, KJ Webb - Physical Review Research, 2021 - APS
A randomly scattering analyzer located in the far field and with a fixed aperture, in front of a
multielement detector, is introduced as a means to access enhanced sensing information …

Eigenchannel analysis of super-resolution far-field sensing with a randomly scattering analyzer

JA Patel, Q Luo, KJ Webb - Physical Review A, 2023 - APS
A method of analysis for a randomly scattering analyzer offering far-subwavelength spatial
resolution with coherent light is presented, and the attributes are supported by numerical …