A confocal micro-imaging system incorporating a thermally actuated two axis MEMS scanner

S.P. Poland, L. Li, D.G. Uttamchandani, J.M. Girkin

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1 Citation (Scopus)

Abstract

For in-vivo imaging applications the use of conventional confocal microscope systems are simply not practical due to their relatively large size and weight. There is, however, great interest from both the life science research community and the clinical profession for the development of compact and portable micro-optical instrumentation capable of achieving minimally invasive, in-vivo imaging of tissue with sub-cellular resolution. In this paper we describe a novel confocal micro-imaging system incorporating, at its core, a thermally driven, non-resonant two-axis MEMS scanner which serves as a substitute for the two single-axis galvanometer scanners commonly used in standard confocal imaging systems. In this paper we describe the non-linearity of such devices and a number of techniques to compensate for this.
Original languageEnglish
Pages (from-to)717203
JournalProceedings of SPIE the International Society for Optical Engineering
Volume7172
DOIs
Publication statusPublished - 25 Jan 2009

Keywords

  • in-vivo imaging applications
  • confocal microscope
  • micro-optical instrumentation
  • sub-cellular resolution
  • confocal micro-imaging system
  • non-resonant two-axis MEMS scanner

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