传统光学成像实质上是目标场景的光强信号在空间维度上的直接均匀采样记录与再现的过程.
因此, 其成像分辨率与信息量不可避免地受到光学衍射极限, 成像系统空间带宽积等若干物理 …

Ultrafast lasers, characterized by femtosecond and picosecond pulse durations, have
revolutionized material processing due to their high energy density and minimal thermal …

This paper reports design, fabrication, and experimental demonstration of a silicon nitride
photonic integrated circuit (PIC). The PIC is capable of conducting one-dimensional …

随着光学成像技术的不断发展和遥感应用需求的日益增长, 跨尺度高分辨率光学技术在遥感领域
得到广泛应用. 为了获得更多的目标细节信息, 国内外研究学者在不同技术方向开展了相关研究 …

Segmented planar photoelectric detection imaging technology is a cutting-edge
photoelectric imaging technology developed to realize the miniaturization and weight …

In this Letter, we aim at optimizing the aperture configuration of an optical interferometric
imager for observing extended objects. We exploit combinatorial theory results from different …

Aiming at the problems of uneven UV spatial frequency sampling and inverse Fourier
transform (IFT) artifacts of the photonic integrated interference imaging system, this study …

Due to the sparsity and inhomogeneity of sampling points in spatial frequency domain, the
effectiveness of the rules for finding two points in the target object from the autocorrelation is …

Abstract The Segmented Planar Imaging Detector for Electro-Optical Reconnaissance
(SPIDER) is an optical interferometric imaging device that aims to offer an alternative to the …

On-chip grating couplers directly connect photonic circuits to free-space light. The commonly
used photonic gratings have been specialized for small areas, specific intensity profiles, and …