Title

Characterization of a ferroelectric liquid crystal-based time delay unit for phased array antenna applications

Authors

Authors

N. A. Riza;N. Madamopoulos

Comments

Authors: contact us about adding a copy of your work at STARS@ucf.edu

Abbreviated Journal Title

J. Lightwave Technol.

Keywords

SPATIAL LIGHT MODULATORS; SPEED; OPERATION; RATIO; Engineering, Electrical & Electronic; Optics; Telecommunications

Abstract

An experimental demonstration of a photonic time delay unit (PTDU) based on ferroelectric liquid crystal devices and Thompson polarization beamsplitters (TBS's) is presented, High signal-to-noise ratios (SNR's) ( > 96 dB) and optical polarization extinction ratios (ER, similar to 40 dB) are demonstrated for the PTDU using an active noise filter technique. Using a 5 V peak square wave switch drive signal, a 70 mu s switching speed is demonstrated for this PTDU that can be used in fast (e.g., 5000 beam/s) beam scanning phased array systems, A shorter switching speed of 35 mu s is also observed using a high 15 V peak transitional voltage driving signal.

Journal Title

Journal of Lightwave Technology

Volume

15

Issue/Number

7

Publication Date

1-1-1997

Document Type

Article

DOI Link

http://dx.doi.org/10.1109/50.596953

Language

English

First Page

1088

Last Page

1094

WOS Identifier

WOS:A1997XK07300004

ISSN

0733-8724

Recommended Citation

"Characterization of a ferroelectric liquid crystal-based time delay unit for phased array antenna applications" (1997). Faculty Bibliography 1990s. 2078.
https://stars.library.ucf.edu/facultybib1990/2078