Aiping Zhai
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View article: Focusing Through Scattering Media Via 1D Speckle Signal Feedback
Focusing Through Scattering Media Via 1D Speckle Signal Feedback Open
Light propagation in complex media results in strong scattering. While wavefront shaping (WFS) enables the focusing of light at depth, its speed is mainly limited by the frame rate of the area‐array detectors. The photodetector has been us…
View article: Efficiently scanning a focus behind scattering media beyond memory effect by wavefront tilting and re-optimization
Efficiently scanning a focus behind scattering media beyond memory effect by wavefront tilting and re-optimization Open
One of the main challenges in the wavefront shaping technique is to enable controllable light propagation through scattering media. However, the scanning of the focus generated by wavefront shaping is limited to a small range determined by…
View article: Comparison of Common Algorithms for Single-Pixel Imaging via Compressed Sensing
Comparison of Common Algorithms for Single-Pixel Imaging via Compressed Sensing Open
Single-pixel imaging (SPI) uses a single-pixel detector instead of a detector array with a lot of pixels in traditional imaging techniques to realize two-dimensional or even multi-dimensional imaging. For SPI using compressed sensing, the …
View article: Noninvasive Imaging Through Scattering Media with Enlarged FOV Using PSF Estimations and Correlations
Noninvasive Imaging Through Scattering Media with Enlarged FOV Using PSF Estimations and Correlations Open
Noninvasive imaging through scattering media using memory effect (ME) normally suffers from the failure of imaging when the object is beyond the ME region, limiting its field of view (FOV). Herein, a method to enlarge the FOV is proposed b…
View article: Imaging through scattering media using differential intensity transmission matrices with different Hadamard orderings
Imaging through scattering media using differential intensity transmission matrices with different Hadamard orderings Open
A transmission matrix (TM) is a powerful tool for light focusing and imaging through scattering media. For measuring it, the normal way requires establishing a multiple-step phase-shifting interferometer, which makes the TM measurement not…
View article: Organic Photodetectors with Extended Spectral Response Range Assisted by Plasmonic Hot-Electron Injection
Organic Photodetectors with Extended Spectral Response Range Assisted by Plasmonic Hot-Electron Injection Open
Organic photodetectors (OPDs) have aroused intensive attention for signal detection in industrial and scientific applications due to their advantages including low cost, mechanical flexibility, and large-area fabrication. As one of the mos…
View article: Enhancing Hot-Electron Photodetection of a TiO2/Au Schottky Junction by Employing a Hybrid Plasmonic Nanostructure
Enhancing Hot-Electron Photodetection of a TiO2/Au Schottky Junction by Employing a Hybrid Plasmonic Nanostructure Open
Hot-electron photodetectors (HEPDs) are triggering a strong surge of interest in applications of image sensors and optics communication, since they can realize photoelectric responses when the incident photon energy is lower than the bandw…
View article: Single-shot fast 3D imaging through scattering media using structured illumination
Single-shot fast 3D imaging through scattering media using structured illumination Open
Conventional approaches for 3D imaging in or through scattering media are usually limited to 2D reconstruction of objects at some discontinuous locations, although the time-consuming iteration, guide-star, or complex system are implemented…
View article: DQN based single-pixel imaging
DQN based single-pixel imaging Open
For an orthogonal transform based single-pixel imaging (OT-SPI), to accelerate its speed while degrading as little as possible of its imaging quality, the normal way is to artificially plan the sampling path for optimizing the sampling str…
View article: Optical encryption using uncorrelated characteristics of dynamic scattering media and spatially random sampling of a plaintext
Optical encryption using uncorrelated characteristics of dynamic scattering media and spatially random sampling of a plaintext Open
Scattering media are generally regarded as an obstacle in optical imaging. However, the scattering of a diffuser can be exactly taken as an advantage to act as random phase masks in the field of optical encryption to enhance information se…
View article: Application of heterostructures in halide perovskite photovoltaic devices
Application of heterostructures in halide perovskite photovoltaic devices Open
Perovskites are widely used in various kinds of optoelectronic devices, including solar cells, photodetectors, light-emitting diodes, etc., due to their excellent properties such as long carrier diffusion length, high absorption coefficien…