Heavy Metal Cation Probe with Signal to Noise Ratio Measurement of Fiber Bragg Grating
نویسندگان
چکیده
منابع مشابه
Enhancing the signal-to-noise ratio of an infrared photodetector with a circular metal grating.
We use finite-difference time-domain (FDTD) simulations to demonstrate enhanced infrared absorption in a photodetector covered with a microstructured metal film consisting of a metal-plasmon grating collector/ concentrator and sub-wavelength detector well; for circular gratings we use radial FDTD, and for linear gratings we use two-dimensional FDTD. We identify a figure of merit to quantify the...
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Optical fiber sensors (OFS) appeared just after the invention of the practical optical fiber by Corning Glass Works in 1970, now Corning Incorporated, that produced the first fiber with losses below 20 dB/km. At the beginning of this era, optical devices such as laser, photodetectors and the optical fibers were very expensive, afforded only by telecom companies to circumvent the old saturated c...
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ژورنال
عنوان ژورنال: Procedia Engineering
سال: 2016
ISSN: 1877-7058
DOI: 10.1016/j.proeng.2015.08.1102