optical fiber temperature sensor and temperature measurement apparatus using the same

摘要

The present invention relates to an optical fiber temperature sensor and a temperature measuring device to which the optical fiber temperature sensor is applied. The reaction layer, the reflective layer that is bonded to the main light-reactive layer and reflects the incident light to the sensing optical fiber, and a certain area of the sensing optical fiber spaced apart from the main light-reactive layer, has an effective refractive index different from that of the main light-reactive layer and is different from the temperature. It further includes a sensitivity enhancing layer formed to have a different absorption spectrum. These fiber optic temperature sensors. According to the optical fiber temperature sensor and the temperature measuring device to which the same is applied, the advantage of improving the temperature measurement resolution is provided.