Study on controllable LC-micro blazed grating beam deflector in free space

Junbo Yang; Suzhi Xu; Jingjing Zhang; Shengli Chang

doi:10.1117/12.2181231

6 March 2015 Study on controllable LC-micro blazed grating beam deflector in free space

Junbo Yang, Suzhi Xu, Jingjing Zhang, Shengli Chang

Proceedings Volume 9446, Ninth International Symposium on Precision Engineering Measurement and Instrumentation; 944631 (2015) https://doi.org/10.1117/12.2181231
Event: International Symposium on Precision Engineering Measurement and Instrumentation, 2014, Changsha/Zhangjiajie, China

Abstract

A liquid crystal (LC) beam deflector with a microblazed grating produced by stepping photolithography and reactive ion etching (RIE) was reported. A homogeneously aligned nematic liquid crystal (NLC) materials are filled inside the microcavity of blazed grating, and sandwiched between two glass plates. An indium tin oxide (ITO) transparent electrode is deposited on it to provide the beam steering capability. Our LC-micro blazed grating device gives a high diffractive efficiency (about 95%) and a controllable large steering angle over 7.2^° (for n_e) and 1.7° (for n_o), respectively. It was found that this type of non-mechanical beam steering without any moving parts is ideally suited for applications in optical communication and optical interconnection network.

Citation Download Citation

Junbo Yang, Suzhi Xu, Jingjing Zhang, and Shengli Chang "Study on controllable LC-micro blazed grating beam deflector in free space", Proc. SPIE 9446, Ninth International Symposium on Precision Engineering Measurement and Instrumentation, 944631 (6 March 2015); https://doi.org/10.1117/12.2181231

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available