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A MXene-GaN van der Waals Metal-Semiconductor Junctions based High Performance Multiple Quantum Well Photodetector was demonstrated, which shows great potential for underwater wireless optical communication and turbidity sensing.
Rapid label-free detection of SARS-CoV-2 using phase imaging (spatial light-interference microscopy (SLIM)) with computational specificity. Different virus types captured in SLIM image are detected and classified by 2D U-Net.
Two parameter-matched Fabry-Perot lasers injected by a super-luminescent diode, after independent and random mode selection, emit chaotic lights with synchronization on-off keying. Shared keys are extracted from the synchronous waveforms.
Fiber-tip polymer clamped-beam probe for high-sensitivity nanoforce measurements are proposed for the first time. The proposed sensor has great application prospects for the mechanical properties examination of biological samples.
Synthesis of Pt single atom catalysts is achieved by one-step laser irradiation of “isolated” H2PtCl6 precursor on graphene oxide, via filtration and freeze-drying sublimation, by simultaneous pyrolysis of the precursor and reduction of graphene oxide.
A high-accuracy source-independent radiometric calibration (SIRC) methodology with low complexity for both photoconductive and photovoltaic infrared photonic sensors is proposed to provide an easier SI-traceable way for global observation systems.
A wavefront shaping technique with ultrasound-induced optical field perturbation is demonstrated, which provides an efficient and flexible mechanism to implement noninvasive and addressable optical focusing into scattering media.
The twisted bilayer photonic crystals have near-zero group velocity over the Brillouin zone and provide access to light localization that is far out of the reach of conventional photonic crystals.
Dictionary light-field microscopy (DiLFM) substantially eliminates various kinds of reconstruction artifacts and improves the noise robustness. Using DiLFM yields accurate observation of zebrafish blood flow at 100 Hz in low-light conditions.