Miniature uncooled infrared sensitive detectors for in vivo biomedical applications

P. G. Datskos, S. G. Demos, S. Rajic

Research output: Chapter in Book/Report/Conference proceedingConference contribution


Broadband infrared (IR) radiation detectors have been developed using miniature, inexpensive, mass produced microcantilevers capable of detecting temperature differences as small as 10 -6 K. Microcantilevers made out of semiconductor materials with dimensions of 50 to 200 μm long, 10 to 30 μm wide and 0.4 to 4 μm thick, undergo bending when exposed to IR radiation and can be used either as uncooled photon or thermal detectors. Mounted on a probe 1 mm in diameter a number of microcantilevers can be accommodated in the working channel of existing endoscopes for in vivo proximity focus measurements inside the human body.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
EditorsR.A. Lieberman, T. Vo-Dinh
Number of pages7
StatePublished - 1998
Externally publishedYes
EventBiomedical Sensing and Imaging Technologies - San Jose, CA, United States
Duration: Jan 26 1998Jan 27 1998


OtherBiomedical Sensing and Imaging Technologies
Country/TerritoryUnited States
CitySan Jose, CA


  • In vivo
  • Infrared detection
  • Photon detector
  • Temperature mapping
  • Thermal detector

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics


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