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Feasibility Study of Development of Plastic Optical Fiber Temperature Sensor Using Thermosensitive Clouding Material

In this paper, we describe the feasibility of developing a new plastic optical fiber temperature sensor using a thermosensitive clouding material (TSCM) that changes its light transmittance with temperature. The temperature change in the TSCM gives rise to change in the turbidity of the TSCM, and the transmittance of the TSCM is altered according to the turbidity change. Light with a selected wavelength is transmitted to the TSCM, and the optical power of the reflected light from a reflector is measured using a Y-coupler made of plastic optical fibers.