18 May 2011 Fabrication and simulation of corrugated long period microfiber gratings
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Proceedings Volume 7753, 21st International Conference on Optical Fiber Sensors; 775397 (2011); doi: 10.1117/12.886086
Event: 21st International Conference on Optical Fibre Sensors (OFS21), 2011, Ottawa, Canada
Abstract
A corrugated long period microfiber grating (C-LPMFG) is fabricated by etching the corrugated LPFG down to tens of micrometers in diameter with corrugated periodic structures made by using imprint lithography. It can be a grating because of the periodic effective index difference caused by the corrugated structures without prestrain. During etching of C-LPMFGs the in-situ monitoring of resonant wavelength shows that the wavelength shift varies rapidly with the etching of fiber. The resonant dips are calculated and have similar trends compared with the experiment data. The C-LPMFG is used as a temperature sensor with sensitivity of -146 pm/°C.
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Hsiao-Yuh Wang, Shih-Min Chuo, Lon A. Wang, "Fabrication and simulation of corrugated long period microfiber gratings", Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 775397 (18 May 2011); doi: 10.1117/12.886086; https://doi.org/10.1117/12.886086
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KEYWORDS
Etching

Cladding

Lithography

Temperature sensors

Device simulation

Optical fibers

Waveguides

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