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INFRARED IMAGING USING MICROCANTILEVERS

  • Patrick I. Oden
  • , Panos G. Datskos
  • , Thomas G. Thundat
  • , Eric A. Wachter
  • , Robert J. Warmack
  • The University of Tennessee
  • Oak Ridge National Laboratory

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Scopus citations

Abstract

A micromechanical detector using microcantilever for infrared (IR) radiation is demonstrated. Because of their small size and low thermal mass, these microcantilever IR detectors are promising new family of IR sensors. This novel IR sensor is based on deflection due to IR adsorption induced thermal stress on a bimaterial cantilever which can be monitored with several methods such as optical deflection or piezoresistive. When laser-deflection-monitored Si^N^ microcantilevers coated with a 40nm thick coating of gold were irradiated by a low-power diode laser, the noise equivalent power and specific detectivity, NEP and D* were found to be 173pW/√Hz and 7.18 * 108cm √Hz/W, respectively, when compensation for the laser reflectivity was made.

Original languageEnglish
Title of host publicationMicroelectromechanical Systems (MEMS)
PublisherAmerican Society of Mechanical Engineers (ASME)
Pages67-75
Number of pages9
ISBN (Electronic)9780791815410
DOIs
StatePublished - 1996
EventASME 1996 International Mechanical Engineering Congress and Exposition, IMECE 1996 - Atlanta, United States
Duration: Nov 17 1996Nov 22 1996

Publication series

NameASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE)
Volume1996-U

Conference

ConferenceASME 1996 International Mechanical Engineering Congress and Exposition, IMECE 1996
Country/TerritoryUnited States
CityAtlanta
Period11/17/9611/22/96

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