Abstract
We present a grating based interrogation scheme not reliant on laboratory equipment implemented with a Mach– Zehnder interferometer tapered fiber refractive index sensor. This method is based on fixed point fiber Bragg gratings (FBG) and interrogated through reflected optical power of each grating measured with photodiodes. This scheme enabled the construction of low cost nearly all fiber refractive index sensor for realistic real-world implementation.
© 2017 Optical Society of America
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