NOVEL FIBER OPTIC SENSOR BASED ON IN-LINE CORE-CLADDING INTERMODAL INTERFEROMETER AND PHOTONIC CRYSTAL FIBER

Wojtek Bock, Tinko Eftimov, Predrag Mikulic, Jiahua Chen
Abstract:
We propose a simple all-fiber structure based on intermodal interference between a core and a cladding mode of an endlessly single-mode photonic crystal fiber section sandwiched between a lead-in and lead-out SMF-28 fiber. The sensitivities to strain, pressure and temperature are measured. The interferometer is compared to an interferometer based on LP01-LP02 SMF-28 fiber and to a PCF-based tapered LPG.
Keywords:
intermodal interferometer, photonic crystal fiber, fiber-optic sensors
Download:
IMEKO-WC-2009-TC2-453.pdf
DOI:
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Event details
Event name:
XIX IMEKO World Congress
Title:

Fundamental and Applied Metrology

Place:
Lisbon, PORTUGAL
Time:
06 September 2009 - 11 September 2009