Detection and photothermal actuation of microcantilever oscillations in air and liquid using a modified DVD optical pickup

Artūras Ulčinas, Loren M. Picco, Monica Berry, J.K. Heinrich Hörber, Mervyn J. Miles

Research output: Contribution to journalLetter (Academic Journal)peer-review

4 Citations (Scopus)
348 Downloads (Pure)

Abstract

We report simple and low-cost setup based on a modified DVD optical pickup unit for detection and photothermal actuation of microcantilever oscillations. Small rectangular cantilevers (length 7 μm, width 3 μm and thickness 100 nm) were successfully actuated and detected in both air and liquid environments. Applications of such a setup for microcantilever-based biochemical and physical sensors and in atomic force microscopy are envisaged.
Original languageEnglish
Pages (from-to)6-9
Number of pages4
JournalSensors and Actuators A: Physical
Volume248
Early online date14 Jul 2016
DOIs
Publication statusPublished - 1 Sep 2016

Keywords

  • Micromechanical sensors
  • Photothermal actuation
  • Optical pickup

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