CN100360904C
The present invention relates to a distance distributed Bragg optical fiber grating sensing system which adopts double-stage erbium doped optical fibers and a bidirectional Raman...
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Prague Dual Fiber Grating
Experimental Demonstration of Efficient and Polarization-Diversity
Two-dimensional (2D) diffractive gratings offer a polarization-independent coupling solution between optical fibers and photonic integrated circuits, with advantages including placement
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Fiber Bragg Grating Sensors: Principles and Applications
Fiber Bragg gratings are periodic variations in the refractive index inscribed along the core of an optical fiber. These variations are created using a process involving ultraviolet laser irradiation.
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Long distance distributed Prague optical fiber grating sensing system
Abstract A range distributed sensing system of gragg fibre-optical and grating adopts two-stage erbium -doped fiber and bilateral larmen amplification structure.
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Dual-core fiber
We have developed and successfully fabricated a novel dual-core fiber (DCF)-assemble long-period fiber grating (A-LPFG) for vector bending sensing. The A-LPFG is constructed by
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Compact Dual Fiber Bragg Gratings for Simultaneous Strain and High
We present a compact simultaneous strain and high-temperature measurement scheme using dual fiber Bragg gratings (FBGs) written in single mode fiber (SMF) and thin-core fiber (TCF).
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Fiber Bragg Grating Sensors
A variation of the period of the grating inscripted in a fiber optic – induced by mechanical or thermal perturbation – causes a shift of the reflected peak wavelength, due to the related optical path length
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Grating Couplers on Silicon Photonics: Design Principles, Emerging
In this paper, we review the current research progresses made on grating couplers, starting from their fundamental theories and concepts. Then, we conclude various methods to improve their
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Principle and Technical Features of Prague Fiber Bragg Grating Sensors
Here, fiber Bragg grating sensor and its network technology are taken as a typical example for illustration. The application of fiber Bragg grating sensors to measure physical quantities related to
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Microsoft Word
They described a permanent grating written in the core of the fiber by an argon ion laser line at 488 nm launched into the fiber by a microscope objective. This particular grating had a very weak index
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