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View article: Rewritable multilevel optical storage based on valence state conversion induced by phase-shaped femtosecond laser in rare earth-doped nanocrystals
Rewritable multilevel optical storage based on valence state conversion induced by phase-shaped femtosecond laser in rare earth-doped nanocrystals Open
Optical storage based on femtosecond laser-induced valence state conversion (VC) in solid materials has garnered significant interest due to its excellent readability and high signal-to-noise ratio. Previous VC-based optical storage studie…
View article: High-fidelity compressed ultrafast photography with multi-shearing strategy
High-fidelity compressed ultrafast photography with multi-shearing strategy Open
Compressed ultrafast photography (CUP) achieves single-shot imaging with a frame rate of approximately 100 trillion frames per second and a sequence depth of hundreds of frames through compressed acquisition followed by computational recon…
View article: Ultrahigh-throughput single-pixel complex-field microscopy with frequency-comb acousto-optic coherent encoding (FACE)
Ultrahigh-throughput single-pixel complex-field microscopy with frequency-comb acousto-optic coherent encoding (FACE) Open
Single-pixel imaging (SPI) is a promising technology for optical imaging beyond the visible spectrum, where commercial cameras are expensive or unavailable. However, limitations such as slow pattern projection rates and time-consuming reco…
View article: All-optical discrete illumination-based compressed ultrafast photography
All-optical discrete illumination-based compressed ultrafast photography Open
Snapshot ultrafast optical imaging (SUOI) plays a vital role in capturing complex transient events in real time, with significant implications for both fundamental science and practical applications. As an outstanding talent in SUOI, compr…
View article: High-speed single-exposure time-reversed ultrasonically encoded optical focusing into scattering media with off-axis holography
High-speed single-exposure time-reversed ultrasonically encoded optical focusing into scattering media with off-axis holography Open
Optical scattering limits the ability to focus light deep inside scattering media, posing a long-standing challenge in biomedical applications such as deep-tissue imaging and photodynamic therapy. Digital optical phase conjugation (DOPC), …
View article: Tartrazine-enabled optical clearing for in vivo optical resolution photoacoustic microscopy
Tartrazine-enabled optical clearing for in vivo optical resolution photoacoustic microscopy Open
Optical-resolution photoacoustic microscopy (OR-PAM) is a powerful imaging technique that visualizes microvascular and tissue structures with high spatial resolution, offering valuable insights into physiological and pathological processes…
View article: Sparse point spread function-based multi-image optical encryption
Sparse point spread function-based multi-image optical encryption Open
Multi-image optical encryption (MOE) has demonstrated promising potential in image data protection owing to its parallel processing capability and abundant degrees of freedom. However, existing methods suffer from either low compression ra…
View article: Defect-related luminescence in BaF2 nanoparticles for plant cell imaging
Defect-related luminescence in BaF2 nanoparticles for plant cell imaging Open
Materials with luminescent defects, serving as energy traps and luminescence centers, exhibit the advantages of tunable emission spectra and cost-effective synthesis processes and can be used for biological imaging applications. In this pa…
View article: Focal spot diagnostic of pulsed planar anticathode accelerator with compressed streak imaging
Focal spot diagnostic of pulsed planar anticathode accelerator with compressed streak imaging Open
The spatial-temporal distribution of the focal spot is a key characteristic for evaluating a pulsed accelerator. However, the small number of frames and the low frame frequency limit the accurate analysis of the focal spot evolution proces…
View article: Spectral phase-based valence state conversion manipulation in BaFCl: Sm<sup>3+</sup> nanocrystals for multilevel information recording and display
Spectral phase-based valence state conversion manipulation in BaFCl: Sm<sup>3+</sup> nanocrystals for multilevel information recording and display Open
Recent scholarly inquiry has increasingly focused on the valence state conversions of rare-earth ion-doped materials, given their promising applications in optical storage and optoelectronic devices. In this paper, we present an experiment…
View article: Discrete Illumination‐Based Compressed Ultrafast Photography for High‐Fidelity Dynamic Imaging (Adv. Sci. 41/2024)
Discrete Illumination‐Based Compressed Ultrafast Photography for High‐Fidelity Dynamic Imaging (Adv. Sci. 41/2024) Open
Ultrafast Imaging The cover image depicts that an ultrafast computational camera based on pulse shaping and compressed ultrafast photography can faithfully capture an ultrafast laser‐induced micro‐explosion process in matter with the tempo…
View article: Discrete Illumination‐Based Compressed Ultrafast Photography for High‐Fidelity Dynamic Imaging
Discrete Illumination‐Based Compressed Ultrafast Photography for High‐Fidelity Dynamic Imaging Open
Compressed ultrafast photography (CUP) can capture irreversible or difficult‐to‐repeat dynamic scenes at the imaging speed of more than one billion frames per second, which is obtained by compressive sensing‐based image reconstruction from…
View article: High-speed super-resolution structured illumination microscopy with a large field-of-view
High-speed super-resolution structured illumination microscopy with a large field-of-view Open
Structured illumination microscopy (SIM) has been extensively employed for observing subcellular structures and dynamics. However, achieving high-speed super-resolution SIM with a large field of view (FOV) remains challenging due to the tr…
View article: Single femtosecond laser pulse–induced valence state conversion in BaFCl: Sm<sup>3+</sup> nanocrystals for low-threshold optical storage
Single femtosecond laser pulse–induced valence state conversion in BaFCl: Sm<sup>3+</sup> nanocrystals for low-threshold optical storage Open
Femtosecond laser-induced valence state conversion (VC) in solid materials has attracted significant research attention due to its potential application in ultra-high density optical storage, boasting advantages such as ultra-high recordin…
View article: Neural network enabled fringe projection through scattering media
Neural network enabled fringe projection through scattering media Open
The projection of fringes plays an essential role in many applications, such as fringe projection profilometry and structured illumination microscopy. However, these capabilities are significantly constrained in environments affected by op…
View article: High-performance reconstruction method combining total variation with a video denoiser for compressed ultrafast imaging
High-performance reconstruction method combining total variation with a video denoiser for compressed ultrafast imaging Open
Compressed ultrafast photography (CUP) is a novel two-dimensional (2D) imaging technique to capture ultrafast dynamic scenes. Effective image reconstruction is essential in CUP systems. However, existing reconstruction algorithms mostly re…
View article: Flexible and accurate total variation and cascaded denoisers-based image reconstruction algorithm for hyperspectrally compressed ultrafast photography
Flexible and accurate total variation and cascaded denoisers-based image reconstruction algorithm for hyperspectrally compressed ultrafast photography Open
Hyperspectrally compressed ultrafast photography (HCUP) based on compressed sensing and time- and spectrum-to-space mappings can simultaneously realize the temporal and spectral imaging of non-repeatable or difficult-to-repeat transient ev…
View article: A flexible and accurate total variation and cascaded denoisers-based image reconstruction algorithm for hyperspectrally compressed ultrafast photography
A flexible and accurate total variation and cascaded denoisers-based image reconstruction algorithm for hyperspectrally compressed ultrafast photography Open
Hyperspectrally compressed ultrafast photography (HCUP) based on compressed sensing and the time- and spectrum-to-space mappings can simultaneously realize the temporal and spectral imaging of non-repeatable or difficult-to-repeat transien…
View article: Untrained neural network enhances the resolution of structured illumination microscopy under strong background and noise levels
Untrained neural network enhances the resolution of structured illumination microscopy under strong background and noise levels Open
Structured illumination microscopy (SIM) has been widely applied in the superresolution imaging of subcellular dynamics in live cells. Higher spatial resolution is expected for the observation of finer structures. However, further increasi…
View article: Temporal compressive super-resolution microscopy at frame rate of 1200 frames per second and spatial resolution of 100 nm
Temporal compressive super-resolution microscopy at frame rate of 1200 frames per second and spatial resolution of 100 nm Open
Various super-resolution microscopy techniques have been presented to explore fine structures of biological specimens. However, the super-resolution capability is often achieved at the expense of reducing imaging speed by either point scan…
View article: Single-shot polarization-resolved ultrafast mapping photography
Single-shot polarization-resolved ultrafast mapping photography Open
Single-shot ultrafast optical imaging plays a very important role in the detection of transient scenes, especially in capturing irreversible or stochastic dynamic scenes. To break the limit of time response speed of electronic devices, suc…
View article: Surpassing the resolution limitation of structured illumination microscopy by an untrained neural network
Surpassing the resolution limitation of structured illumination microscopy by an untrained neural network Open
Structured illumination microscopy (SIM), as a flexible tool, has been widely applied to observing subcellular dynamics in live cells. It is noted, however, that SIM still encounters a problem with theoretical resolution limitation being o…
View article: Weighted multi-scale denoising via adaptive multi-channel fusion for compressed ultrafast photography
Weighted multi-scale denoising via adaptive multi-channel fusion for compressed ultrafast photography Open
Being capable of passively capturing transient scenes occurring in picoseconds and even shorter time with an extremely large sequence depth in a snapshot, compressed ultrafast photography (CUP) has aroused tremendous attention in ultrafast…
View article: Exploring Femtosecond Laser Ablation by Snapshot Ultrafast Imaging and Molecular Dynamics Simulation
Exploring Femtosecond Laser Ablation by Snapshot Ultrafast Imaging and Molecular Dynamics Simulation Open
Femtosecond laser ablation (FLA) has been playing a prominent role in precision fabrication of material because of its circumvention of thermal effect and extremely high spatial resolution. Molecular dynamics modeling, as a powerful tool t…