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Article
Open AccessNon-convex optimization for inverse problem solving in computer-generated holography
Computer-generated holography is a promising technique that modulates user-defined wavefronts with digital holograms. Computing appropriate holograms with faithful reconstructions is not only a problem closely...
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Article
Open AccessQuantitative phase imaging based on holography: trends and new perspectives
In 1948, Dennis Gabor proposed the concept of holography, providing a pioneering solution to a quantitative description of the optical wavefront. After 75 years of development, holographic imaging has become a...
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Article
Open AccessDeep learning sheds new light on non-orthogonal optical multiplexing
A deep neural network for non-orthogonal input channel encoding is proposed to recover speckle images through a multimode fiber. This novel approach could shed new light on the non-orthogonal optical multiplex...
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Article
Open AccessVisualizing cortical blood perfusion after photothrombotic stroke in vivo by needle-shaped beam optical coherence tomography angiography
Optical imaging techniques provide low-cost, non-radiative images with high spatiotemporal resolution, making them advantageous for long-term dynamic observation of blood perfusion in stroke research and other...
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Chapter
Zone Plate-Coded Imaging
With the developments of photoelectric imaging technology and the improvements in computing power, the core architecture of imaging systems could be shifted from the front-end hardware equipment to the back-en...
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Article
Contactless human–computer interaction system based on three-dimensional holographic display and gesture recognition
Contactless interaction provides a hygienic, safe, and intelligent way for communication between human and computers. As computing systems continue to advance, there is a growing focus on input methods and key...
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Article
Quantum hyper-entangled system with multiple qubits based on spontaneous parametric down-conversion and birefringence effect
Quantum hyper-entangled system with multiple qubits have garnered significant interest and are considered essential resources for various quantum applications. The generation of entangled photon pairs with mul...
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Article
Age-invariant face recognition based on identity-age shared features
Decoupling the mixed face features to obtain identity features that are not disturbed by age information is the key to achieving cross-age face recognition. Established mainstream identity feature extraction m...
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Article
Open AccessAdaptive constraints by morphological operations for single-shot digital holography
Digital holography provides access to quantitative measurement of the entire complex field, which is indispensable for the investigation of wave-matter interactions. The emerging iterative phase retrieval appr...
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Article
Open AccessMonocular metasurface camera for passive single-shot 4D imaging
It is a grand challenge for an imaging system to simultaneously obtain multi-dimensional light field information, such as depth and polarization, of a scene for the accurate perception of the physical world. H...
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Article
Open AccessLearned end-to-end high-resolution lensless fiber imaging towards real-time cancer diagnosis
Recent advances in label-free histology promise a new era for real-time diagnosis in neurosurgery. Deep learning using autofluorescence is promising for tumor classification without histochemical staining proc...
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Article
Roadmap of incoherent digital holography
This roadmap article focuses on spatially incoherent digital holography (IDH). Representative IDH methods such as optical scanning holography (OSH), Fresnel incoherent correlation holography (FINCH), coded ape...
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Article
Open AccessQuantitative phase imaging through an ultra-thin lensless fiber endoscope
Quantitative phase imaging (QPI) is a label-free technique providing both morphology and quantitative biophysical information in biomedicine. However, applying such a powerful technique to in vivo pathological...
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Article
Open AccessReal-time complex light field generation through a multi-core fiber with deep learning
The generation of tailored complex light fields with multi-core fiber (MCF) lensless microendoscopes is widely used in biomedicine. However, the computer-generated holograms (CGHs) used for such applications a...
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Article
Open AccessDual-plane coupled phase retrieval for non-prior holographic imaging
Accurate depiction of waves in temporal and spatial is essential to the investigation of interactions between physical objects and waves. Digital holography (DH) can perform quantitative analysis of wave–matte...
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Article
Open AccessComplex wavefront sensing based on coherent diffraction imaging using vortex modulation
Phase retrieval seeks to reconstruct the phase from the measured intensity, which is an ill-posed problem. A phase retrieval problem can be solved with physical constraints by modulating the investigated compl...
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Article
Open AccessSingle-shot lensless imaging with fresnel zone aperture and incoherent illumination
Lensless imaging eliminates the need for geometric isomorphism between a scene and an image while allowing the construction of compact, lightweight imaging systems. However, a challenging inverse problem remai...
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Article
Video-rate imaging of biological dynamics at centimetre scale and micrometre resolution
Large-scale imaging of biological dynamics with high spatiotemporal resolution is indispensable to system biology studies. However, conventional microscopes have an inherent compromise between the achievable f...
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Article
Open AccessDual Doppler Effect in Wedge-Type Photonic Crystals
The dual Doppler effect, in the simultaneous occurrence of both normal and inverse Doppler effect in one moving two-dimensional wedge-type photonic crystal, is proposed. An improved finite-different time-domai...
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Article
Open AccessCoaxial Dual-wavelength Interferometric Method for a Thermal Infrared Focal-plane-array with Integrated Gratings
Uncooled infrared (IR) focal-plane-array (FPA) with both large sensing range and high sensitivity is a great challenge due to the limited dynamic range of the detected signals. A coaxial dual-wavelength interf...
