Optical Detection Of Pulse Beats For Magnetic Resonance Imaging Applications

G. Martens; T. Helzel; J. Kordts

doi:10.1117/12.949307

23 February 1989 Optical Detection Of Pulse Beats For Magnetic Resonance Imaging Applications

G. Martens, T. Helzel, J. Kordts

Proceedings Volume 1011, Fiber Optic Sensors III; (1989) https://doi.org/10.1117/12.949307
Event: 1988 International Congress on Optical Science and Engineering, 1988, Hamburg, Germany

Abstract

Two different types of fiber optic sensors for the detection of human heart beats in the harsh electro magnetic environment of a Magnetic Resonance (MR) scanner have been developed. The first type is a photo elastic strain gauge belt sensor, which originally has been developed for the detection of respiratory motion. This sensor has been applied around the thigh in order to detect the pulse of the thigh artery. The second type is a fiberoptic version of a photo plethysmograph detecting the optical transmission of human tissue. A transmissive and a reflective type of this sensor have been tested by application to ear lobes, finger and toe tips respectively.

Citation Download Citation

G. Martens, T. Helzel, and J. Kordts "Optical Detection Of Pulse Beats For Magnetic Resonance Imaging Applications", Proc. SPIE 1011, Fiber Optic Sensors III, (23 February 1989); https://doi.org/10.1117/12.949307

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