We demonstrate vortex generation in a PCF, enabled by a micro-bend grating produced by structural deformations alone. The grating-resonance is stable at temperatures exceeding 1000 C, yielding a platform for realizing ultra-high-temperature sensors.
© 2012 OSA
J. Demas, M. D. Grogan, T. Alkeskjold, and S. Ramachandran, "Grating-Induced Vortices in Photonic Crystal Fiber: a pathway to ultra-high temperature sensing," in Conference on Lasers and Electro-Optics 2012, OSA Technical Digest (online) (Optical Society of America, 2012), paper JTu3K.4.
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