Optical switches

The recent progress in the studies of chiroptical switch is reviewed.

本文综述了手性光学开关研究的最新进展,介绍了如何设计分子体系,由手性分子制备手性光学开关;基于超分子思想,介绍了由非手性分子参与形成的手性光学开关,并最终制备出完全由非手性分子组装得到的手性光学开关。

Measurement of ultrashort laser pulses using frequency-resolved optical gating;

超短光脉冲的频率分辨光学开关法测量研究

The basic concept underlying the frequency-resolved optical gating(FROG)pulse characterization technique is reviewed,and the influence of mode-size effect and nonlinear effect of second-harmonic generation medium on femtosecond pulse measurement are discussed in detail.

阐述了频率分辨光学开关法测量飞秒脉冲的原理,详细分析了模式尺寸效应和非线性效应对飞秒脉冲测量的影响。