Self-mixing laser speckle velocimeter for blood flow measurement

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

doi:10.1109/19.872925

Self-mixing laser speckle velocimeter for blood flow measurement

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

Engineering Science and Mechanics

Research output: Contribution to journal › Article › peer-review

57 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 language	English (US)
Pages (from-to)	1029-1035
Number of pages	7
Journal	IEEE Transactions on Instrumentation and Measurement
Volume	49
Issue number	5
DOIs	https://doi.org/10.1109/19.872925
State	Published - Oct 2000

All Science Journal Classification (ASJC) codes

Instrumentation
Electrical and Electronic Engineering

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10.1109/19.872925

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AU - Özdemir, Şahin Kaya

AU - Takamiya, Sotetsu

AU - Ito, Satoshi

AU - Shinohara, Shigenobu

AU - Yoshida, Hirofumi

PY - 2000/10

Y1 - 2000/10

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AB - 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.

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Self-mixing laser speckle velocimeter for blood flow measurement

Abstract

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