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In the last decades, considerable attention has been paid to the development of polymer optical fibers (POFs) that may, in certain cases, represent more suitable or cost effective alternative to their glass based counterparts. Due to some of their unique properties, POFs have found their applications in the area of data transmission, lighting as well as optical sensing. Compared to the glass based fiber sensors, POFs are more robust and flexible yielding sensors suitable also for larger strain applications. They have better biocompatibility and are generally more acceptable for medical applications. In addition, POFs can provide higher inherent sensitivity to some of the more alternative measurands such as humidity or ionizing radiation.
Over the last three years, BAM’s Division 8.6 has been participating in the European FP7 project “TRIPOD” devoted to the development of POF technology for sensing applications. Project activities and main technological achievements will be reviewed. Special attention will be paid to the utilization of optical fiber sensors in radiation environments. In the recent years, ionizing radiation has found numerous applications also outside the nuclear industry, e.g. in material processing, sterilization or medical applications. With increasing importance of radiation processes, demand for suitable monitoring techniques is rising as well. Among available dosimetry solutions, optical fiber based dosimeters offer numerous advantages such as electromagnetic immunity, small dimensions and possibility of remote and real time monitoring. A concept of attenuation based radiation sensing with perfluorinated POFs will be investigated and presented as a potential candidate for low cost easy to use on line radiation monitoring system.