Self-mixing laser speckle velocimeter for blood flow measurement

Şahin Kaya Özdemir, Sotetsu Takamiya, Satoshi Ito, Shigenobu Shinohara, Hirofumi Yoshida

Research output: Contribution to journalArticle

49 Scopus citations

Abstract

A velocimeter using speckle phenomena in self-mixing laser diodes (SM-LDs) is used to evaluate the blood flow noninvasively. The mean frequency of the speckle signal obtained from the self-mixing laser diode reflects the activity of the blood flow in a certain probing area. The experimental results show that this new type of speckle velocimeter can be useful for the relative evaluation of blood flow in human tissues.

Original languageEnglish (US)
Pages (from-to)1029-1035
Number of pages7
JournalIEEE Transactions on Instrumentation and Measurement
Volume49
Issue number5
DOIs
StatePublished - Oct 1 2000

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Electrical and Electronic Engineering

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