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Proceedings Paper

Optical characteristics of modified fiber tips in single fiber, laser Doppler flowmetry
Author(s): P. Ake Oberg; Hongming Cai; Hakan Rohman; Sven-Erik Larsson
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Paper Abstract

Percutaneous laser Doppler flowmetry (LDF) and bipolar surface electromyography (EMG) were used simultaneously for measurement of skeletal muscle (trapezius) perfusion in relation to static load and fatigue. On-line computer (386 SX) processing of the LDF- and EMG- signals made possible interpretation of the relationship between the perfusion and the activity of the muscle. The single fiber laser Doppler technique was used in order to minimize the trauma. A ray-tracing program was developed in the C language by which the optical properties of the fiber and fiber ends could be simulated. Isoirradiance graphs were calculated for three fiber end types and the radiance characteristics were measured for each fiber end. The three types of fiber-tips were evaluated and compared in flow model measurements.

Paper Details

Date Published: 15 February 1994
PDF: 9 pages
Proc. SPIE 2085, Biochemical and Medical Sensors, (15 February 1994); doi: 10.1117/12.168751
Show Author Affiliations
P. Ake Oberg, Univ. of Linkoping (Sweden)
Hongming Cai, Univ. of Linkoping (Sweden)
Hakan Rohman, Univ. of Linkoping (Sweden)
Sven-Erik Larsson, Univ. of Linkoping (Sweden)


Published in SPIE Proceedings Vol. 2085:
Biochemical and Medical Sensors

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