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A micromachined optical delay line by switchable metamaterials

  • W. M. Zhu
  • , J. F. Tao
  • , J. H. Teng
  • , X. H. Zhang
  • , H. Tanoto
  • , H. C. Guo
  • , Q. Y. Wu
  • , T. Bourouina
  • , A. Q. Liu

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

Abstract

This paper presents a MEMS switchable optical delay line, which works at terahertz (THz) region. The geometry of the unit cell is tunable by MEMS actuators [1]. In the experiment, it measures that the round trip time of the 5-m silicon-metal cavity with the metamaterial slab is delayed by a factor of 100 when the gap of the metamaterial unit cell is shifted from 4 m to 8 m. Compared with the traditional tunable optical delay line [2], the metamaterial optical delay line has merits of fine tuning resolution, high tuning speed and feasible for high density integration.

Original languageEnglish
Title of host publication2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11
Pages2670-2673
Number of pages4
DOIs
Publication statusPublished - Jun 2011
Externally publishedYes
Event2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11 - Beijing, China
Duration: 5 Jun 20119 Jun 2011

Publication series

Name2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11

Conference

Conference2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11
Country/TerritoryChina
CityBeijing
Period5/06/119/06/11

Keywords

  • Micro-electro-mechanical system (MEMS)
  • optical delay line
  • Switchable metamaterials

ASJC Scopus subject areas

  • Hardware and Architecture
  • Electrical and Electronic Engineering

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