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Refractive-index sensor based on tilted fiber bragg grating interacting with multimode fiber.
optical fiber sensors tilted fiber Bragg gratings refractive index measurement
2013/5/27
A simple refractive-index fiber sensor based on a tilted Bragg fiber grating (TFBG) interacting with multimode fiber (MMF) is described. The sensor structure is formed by insertion of a small section ...
Microchannelled Chirped Fibre Bragg Grating Based Refractive Index Sensor Formed by Femto-Second Laser Processing and HF-etching
Chirped Fibre Bragg Grating Refractive Index Sensor Formed Femto-Second Laser Processing HF-etching
2015/8/3
The microchannelled chirped fibre Bragg grating (MCFBG) was fabricated using femtosecond laser processing and HF-etching. Intrinsical refractive-index sensitivity induced by the microchannel makes MCF...