Share Email Print
cover

Proceedings Paper

Design and experimental demonstration on improved high order grating for wide angle beam steering of liquid crystal optical phased array
Author(s): Liang Wu; Xiangru Wang; Caidong Xiong; Ziqiang Huang
Format Member Price Non-Member Price
PDF $14.40 $18.00
cover GOOD NEWS! Your organization subscribes to the SPIE Digital Library. You may be able to download this paper for free. Check Access

Paper Abstract

To realize a non-mechanical laser beam deflector with a wide steering range, improved high order grating method (i-HOG) was theoretically proposed on the promising optical phased array device using the material of liquid crystal. In this paper, experimental prototype and results are presented to verify the performance on the wider steering range when the method of i-HOG was applied on the corresponding device. To satisfy the requirement on much deeper phase retardation, the optical film of liquid crystal was redesigned and fabricated as well as driving hardware. Comparing with the conventional methods where the modulo of phase delay is 2π, liquid crystal optical phased array using the method of i-HOG can succeed a double steering range. Meanwhile, experimental results also show better diffraction efficiency.

Paper Details

Date Published: 24 February 2017
PDF: 9 pages
Proc. SPIE 10096, Free-Space Laser Communication and Atmospheric Propagation XXIX, 100960Q (24 February 2017); doi: 10.1117/12.2249654
Show Author Affiliations
Liang Wu, Univ. of Electronic Science and Technology of China (China)
Xiangru Wang, Univ. of Electronic Science and Technology of China (China)
Caidong Xiong, Univ. of Electronic Science and Technology of China (China)
Ziqiang Huang, Univ. of Electronic Science and Technology of China (China)


Published in SPIE Proceedings Vol. 10096:
Free-Space Laser Communication and Atmospheric Propagation XXIX
Hamid Hemmati; Don M. Boroson, Editor(s)

© SPIE. Terms of Use
Back to Top