Combining regenerated gratings and optical fibre Fabry-Pérot cavities for dual sensing of ultra-high temperature and strain

Publisher:
SPIE
Publication Type:
Conference Proceeding
Citation:
Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 2015, 9655
Issue Date:
2015-01-01
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© 2015 Copyright SPIE. The successful regeneration of fibre Bragg gratings (FBGs) inscribed in an inline fibre etalon is demonstrated. The etalon is formed by UV-micromaching of the fibre end-face to form a cylindrical hole, the fibre is then fusion spliced to seal the cavity. Such a fibre device has excellent potential for the simultaneous measurement of ultra-high temperatures and strain.
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