SYSTEM FOR MEASURING HUMAN PULSE USING FIBER BRAGG GRATING SENSOR

摘要

A system for measuring the pulse of a subject is provided to measure a large, long, or short pulse accurately by using a pulse sensor including a plurality of fiber bragg grating sensors. A pulse sensor(10) includes an array fiber bragg grating sensors and a pulse sensor head(11). The array fiber bragg grating sensor is formed by arranging a plurality of fiber bragg grating sensors with a constant interval. The array fiber bragg grating sensor contacts the wrist inner surface of the subject. The pulse sensor head fixes the wrist of the subject. A sensor housing(30) includes a fixing unit(31) to fix the wrist of the subject and a height control unit(32) with a height button(33) to control the height of the wrist part of the fixing unit. A spectrum analyzer(20) includes a laser module, 1 x N coupler, a processor, a display, a database, N sensor modules and a coupler. The spectrum analyzer measures the amount of change of wavelengths by the pulse of the subject by applying a broadband light source to the fiber bragg grating sensor. The processor processes the amount of change of the wavelengths. The subject monitors the wavelength on the display in real time. The pulse result by feeling the pulse is stored in the database.