We describe the fabrication of a polycarbonate (PC) micro-structured polymer optical fiber (mPOF) and the writing offiber Bragg gratings (FBGs) in it to enable strain and temperature measurements. We demonstrate the photosensitivity ofa dopant-free PC fiber by grating inscription using a UV laser. We further show that PC Bragg gratings can be extendedup to at least 3% without affecting the initial functionality of the micro-structured fiber. The response of PC FBGs totemperature up to 125°C is also investigated. Polycarbonate has good mechanical properties and its high temperatureresistancemight extend the range of application of polymeric FBGs.
|Conference||Micro-Structured and Specialty Optical Fibres IV|
|Period||03/04/2016 → 03/04/2016|
|Series||Proceedings of SPIE, the International Society for Optical Engineering|
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- Micro-structured polymer optical fibers
- UV laser inscription
- Optical fiber sensors
- Fiber Bragg gratings