Soft materials are finding applications in areas ranging from microfluidic device technology
to nanofabrication. We review recent work in these areas, discuss the motivation for device …

Various optical elements with subwavelength structured surfaces have been developed. The
periods of the subwavelength structures are too short to generate diffracted light waves. But …

Semiconducting nanostructures are promising as components in high-performance
metasurfaces. We show that single-crystal silicon can be used to realize efficient …

Planar lenses such as metalenses and diffractive lenses exhibit severe field-dependent
aberrations when imaging extended objects with high numerical aperture. This problem can …

In the past several years, metasurfaces have emerged as one of the rapidly growing
research fields in optics. These ultrathin arrays composed of subwavelength meta-atoms …

摘要衍射光学元件已广泛应用于光学传感, 光通信, 计算成像, 激光光束整形, 生物医学,
光学数据存储等领域. 首先, 总结归纳了基于标量衍射理论衍射光学元件在各个阶段的发展脉络 …

Photonic crystals and nanophotonics have received a great deal of attention over the last
decade, largely due to improved numerical modeling and advances in fabrication …

We present a novel configuration for the implementation of subwavelength-based graded-
index devices. The proposed concept is based on the etching of one-dimensional …

An imaging arrangement and method for extended the depth of focus are provided. The
imaging arrangement comprises an imaging lens having a certain affective aperture, and an …

We provide an experimental demonstration of novel form-birefringent computer-generated
holograms at wavelengths of 1.55 and 10.6?? m. These novel devices utilize a 2-D array of …