Design of a near infrared reflectometer

Richard L. Pasley, Erich Wolf, Henrietta Bada, Charles W. Leffler, Michael L. Daley

Research output: Contribution to journalConference articlepeer-review

Abstract

A two channel near infrared reflectometer was designed and fabricated using laser (814 nm and 751 nm) diodes and separate photodiode detector circuits. Because the isosbestic point of HbO2 and Hb is approximately 814 nm, the gains of each channel were equated at this wavelength. The device is designed to measure relative change of local cerebral blood volume, HbO2 and Hb concentration in an unknown sample volume.

Original languageEnglish
Pages (from-to)729-730
Number of pages2
JournalAnnual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings
Volume2
StatePublished - 1997
EventProceedings of the 1997 19th Annual International Conference of the IEEE Engineering in Medicine and Biology Society - Chicago, IL, USA
Duration: Oct 30 1997Nov 2 1997

ASJC Scopus subject areas

  • Signal Processing
  • Biomedical Engineering
  • Computer Vision and Pattern Recognition
  • Health Informatics

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