Polynomial-based optical true-time delay devices with microelectromechanical mirror arrays

被引：19

作者：

Anderson, BL ^{[1
]}

Mital, R ^{[1
]}

机构：

[1] Ohio State Univ, Dept Elect Engn, Dreese Lab 205, Columbus, OH 43210 USA

来源：

APPLIED OPTICS | 2002年 / 41卷 / 26期

关键词：

D O I：

10.1364/AO.41.005449

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We previously reported optical true-time delay devices, based on the White cell, to support phased-array radars. In particular, we demonstrated a quadratic device, in which the number of delays obtainable was proportional to the square of the number of times the light beam bounced in the cell. Here we consider the possibilities when a microelectromechanical (MEM) tip/tilt mirror array with multiple stable states is used. We present and compare designs for quadratic, quartic, and octic cells using MEM mirror arrays with two, three, and five micro-mirror tilt angles. An octic cell with a three-state MEM can produce 6,339 different delays in just 17 bounces. (C) 2002 Optical Society of America.

引用

页码：5449 / 5461

页数：13

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