Ultrafast All-Optical Switching with Transparent and Absorptive Nematic Liquid Crystals-Implications in Tunable Metamaterials

被引：9

作者：

Khoo, I. C. ^{[1
]}

Liou, J. ^{[1
]}

Stinger, M. V. ^{[1
]}

Zhao, Shuo ^{[1
]}

机构：

[1] Penn State Univ, Dept Elect Engn, University Pk, PA 16802 USA

来源：

MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 2011年 / 543卷

基金：

美国国家科学基金会;

关键词：

Agile frequency laser hardening; all-optical switching; metamaterials; sensor protection; ultrafast; visible-infrared; REORIENTATION; PHASE; DIFFRACTION; REFRACTION; ALIGNMENT; DYNAMICS; INDEX;

D O I：

10.1080/15421406.2011.569456

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We present a critical review of the nonlinear optical responses of nematic liquid crystals associated with short pulsed laser induced thermal, density and order parameter fluctuations. Experimental studies conducted with absorbing as well as transparent nematic liquid crystals have demonstrated that all-optical one-way switching of nanoseconds pulsed laser at 750nm can be realized at sub-microseconds to nanoseconds speed. Similar switching performances have also been observed with lasers at other visible-infrared regime, confirming the broadband applicability of the underlying nonlinear optical processes.

引用

页码：151 / 159

页数：9

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