High-efficiency large-angle Pancharatnam phase deflector based on dual-twist design

被引：76

作者：

Gao, Kun ^{[1
,2
]}

McGinty, Colin ^{[1
,2
]}

Payson, Harold ^{[3
]}

Berry, Shaun ^{[3
]}

Vornehm, Joseph ^{[3
]}

Finnemeyer, Valerie ^{[3
]}

Roberts, Brian ^{[3
]}

Bos, Philip ^{[1
,2
]}

机构：

[1] Kent State Univ, Liquid Crystal Inst, Kent, OH 44242 USA

[2] Kent State Univ, Chem Phys Interdisciplinary Program, Kent, OH 44242 USA

[3] MIT, Lincoln Lab, 244 Wood St, Lexington, MA 02421 USA

来源：

OPTICS EXPRESS | 2017年 / 25卷 / 06期

关键词：

POLARIZATION HOLOGRAPHY; GRATINGS; DIFFRACTION; DEVICE; MEDIA;

D O I：

10.1364/OE.25.006283

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We have previously shown through simulation that an optical beam deflector based on the Pancharatnam (geometric) phase can provide high efficiency with up to 80 degrees deflection using a dual-twist structure for polarization-state control [Appl. Opt. 54, 10035 (2015)]. In this report, we demonstrate that its optical performance is as predicted and far beyond what could be expected for a conventional diffractive optical device. We provide details about construction and characterization of a +/- 40 degrees beam-steering device with 90% diffraction efficiency based on our dual-twist design at a 633nm wavelength. (C) 2017 Optical Society of America

引用

页码：6283 / 6293

页数：11

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