We report a laser writing system for fabrication of diffractive optical elements with He-Cd laser. The wavelength of the......

Peculiarities of propagation of femtosecond pulses through a focusing diffractive optical element (DOE) are considered. ......

Diffractive optics is an important technique for beam shaping with high light efficiency and strong diffraction pattern ......

A spatially variable retardation device, an SQWP, is designed to generate polarization vortex beams. The transformation ......

The full aperture complex amplitude transmittance function of a multi-level diffraction lens with mask-alignment errors ......

In this Letter, we propose a simple and effective approach for transforming a conventional Talbot array illuminator (TAI......

A method to shape the incident laser beam into a concentric multi-ring pattern with different intensity distribution is ......

To reduce the cost and achieve high diffraction efficiency, a modified moiré technique for fabricating a large-aperture......

Inductively coupled plasma (ICP) technology is a new advanced version of dry-etching technology compared with the widely......

We present two novel 1*N dynamic optical couplers that are based on Dammann gratings to achieve dynamic optical coupled ......

This paper summarized the recent research results of Changhe Zhou's group of Information Optics Lab in Shanghai Institu......