Diffractive optical elements are well known for being not only flat but also lightweight, and
are characterised by low attenuation. In different spectral ranges, they provide better …

Recently, there has been an explosion of interest in metalenses for imaging. The interest is
primarily based on their subwavelength thicknesses. Diffractive gratings have been used as …

Deep learning has been transformative in many fields, motivating the emergence of various
optical computing architectures. Diffractive optical network is a recently introduced optical …

Diffractive achromats (DAs) promise ultra-thin and light-weight form factors for full-color
computational imaging systems. However, designing DAs with the optimal optical transfer …

Glasses-free three-dimensional (3D) displays are one of the technologies that will redefine
human-computer interfaces. However, many geometric optics-based 3D displays suffer from …

A lens performs an approximately one-to-one mapping from the object to the image plane.
This mapping in the image plane is maintained within a depth of field (or referred to as depth …

We experimentally demonstrate imaging in the long-wave infrared (LWIR) spectral band (8
μm to 12 μm) using a single polymer flat lens based upon multilevel diffractive optics. The …

摘要柔性光电子器件对微纳制造技术提出了更高, 更多维度的要求, 包括大幅面, 表面复杂结构,
跨尺度, 透明或柔性基底等. 主要介绍基于相位元件调制的3D 激光直写技术和紫外连续变频光刻 …

In this Perspective contribution, we present a brief review of the literature available on
optical devices for terahertz frequencies, followed by an analysis of the challenges faced by …

It is generally assumed that correcting chromatic aberrations in imaging requires multiple
optical elements. Here, we show that by allowing the phase in the image plane to be a free …