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We investigated the sensing properties of a single mode Poly Methyl Methacrylate (PMMA) Microstructured Polymer
Optical Fibre (MPOF) with mechanically imprinted Long Period Grating (LPG). We measured the influence of strain to
the LPG wavelength which showed the viscoelastic nature of PMMA. We also measured the influence of temperature
and humidity to the LPG wavelength.
We investigated sensing properties of single mode poly methyl methacrylate (PMMA) microstructured polymer optical
fibres (MPOF) with mechanically imprinted long period gratings (LPG). After preparation of the MPOF end-faces the
samples were elongated with silica fibres. These samples were used to measure the influence of strain to the LPG
wavelength which showed the viscoelastic nature of PMMA. We also measured the influence of temperature and
humidity. The results show that MPOF LPGs are well suited for strain sensing. One MPOF LPG was stitched to a
textile. Using this textile we measured a simulated respiratory motion.