New generation of integrated probes for laser Doppler perfusion monitoring: construction and in vivo results

  • A. Serov
  • , Sj. Oosterbaan
  • , J. Nieland
  • , H. van Kranenburg
  • , R. Verboom
  • , H.H.T.Ph. Bekman
  • , F.F.M. de Mul
  • , W. Steenbergen

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

1 Citation (Scopus)
8 Downloads (Pure)

Abstract

Integrated probes have been developed containing the essential optoelectronic components necessary for monitoring tissue perfusion using the laser Doppler principle. The device contains a VCSEL for illumination, and a chip with photodetectors, amplifiers for signal enhancement, and digital circuitry for external probe control. VCSEL and detector chip are mounted on a common ceramic platform. A Peltier element may be included for temperature stabilisation, or thermal cycling for physiological purposes. Two special chips have been developed: one containing an array of five detectors, at various distances from the laser, which will allow for some degree of depth discrimination, and a single detector chip. In this paper the probe designs are presented and some results of in vivo measurements are shown.
Original languageEnglish
Title of host publicationBiomedical Diagnostic, Guidance, and Surgical-Assist Systems IV
EditorsT. Vo-Dinh, D.A. Benaron, W.S. Grundfest
PublisherSPIE
Pages165-172
Number of pages8
DOIs
Publication statusPublished - 20 Jan 2002
EventBiomedical Diagnostic, Guidance, and Surgical-Assist Systems IV - San Jose, CA, USA
Duration: 20 Jan 200221 Jan 2002

Publication series

NameProceedings of SPIE
PublisherSPIE
Number7
Volume3
ISSN (Print)1605-7422

Conference

ConferenceBiomedical Diagnostic, Guidance, and Surgical-Assist Systems IV
Period20/01/0221/01/02
Other20-21 January 2002

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