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Journal Article

High-T-g TOPAS microstructured polymer optical fiber for fiber Bragg grating strain sensing at 110 degrees

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Stefani,  Alessio
Russell Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Markos, C., Stefani, A., Nielsen, K., Rasmussen, H. K., Yuan, W., & Bang, O. (2013). High-T-g TOPAS microstructured polymer optical fiber for fiber Bragg grating strain sensing at 110 degrees. OPTICS EXPRESS, 21(4), 4758-4765. doi:10.1364/OE.21.004758.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-67AB-B
Abstract
We present the fabrication and characterization of fiber Bragg gratings (FBGs) in an endlessly single-mode microstructured polymer optical fiber (mPOF) made of humidity-insensitive high-Tg TOPAS cyclic olefin copolymer. The mPOF is the first made from grade 5013 TOPAS with a glass transition temperature of Tg = 135 degrees C and we experimentally demonstrate high strain operation (2.5%) of the FBG at 98 degrees C and stable operation up to a record high temperature of 110 degrees C. The Bragg wavelengths of the FBGs are around 860 nm, where the propagation loss is 5.1dB/m, close to the fiber loss minimum of 3.67dB/m at 787nm. (C) 2013 Optical Society of America