Preparing polymer/liquid crystal grating by photolithography;

Liquid crystal grating s operational principle and two types grating: liquid crystal grating and liquid crystal/polymer grating s structure and manufacture are briefly described, their excellency and defect and theirs application in optical fields are analyzed.

This article analyzes the research status and the development of liquid crystal grating in the future,and gives a briefly introduction to the knowledge of liquid crystal grating.

Generation of an adjustable double-well optical trap by shift phase gratings;

Methyl violet dyes doped polyvinyl membrane build phase grating under two branchs of coherent beams irradiation.

The Fresnel diffraction of a 0-π phase grating under chirped femtosecond laser pulse illumination is analyzed.

Study on the laser diffraction and interference field of a phase grating;

The vector diffraction theory analysis of chromatic dispersion characteristics of phase grating;

Based on the Maxwell s equation and boundary continui ty of electromagnetic fields,a rigorous electromagnetic analysis of phase gratings was carried out.

In this paper,a discussion is held on the self-images of weak phase grating,illuminated by spherical waves.