نتایج جستجو برای: fiber elements
تعداد نتایج: 403894 فیلتر نتایج به سال:
This paper presents an overview of the fiber optics and its principles in optical communication network. Fiber nonlinearities are bounded factors for optical communications systems, in specific for wavelength division multiplexing .Among the nonlinearities effect is four-wave mixing ,which is a nonlinear process that generates new frequency components from existing frequency components. FWM is ...
This paper introduces a revolutionary way to interrogate optical fiber sensors based on fiber Bragg gratings (FBGs) and to integrate the necessary driving optoelectronic components with the sensor elements. Low-cost optoelectronic chips are used to interrogate the optical fibers, creating a portable dynamic sensing system as an alternative for the traditionally bulky and expensive fiber sensor ...
We used guided-mode resonance filters (GMRFs), fabricated using thin-film deposition and chemical etching, as intracavity feedback elements to stabilize and narrow the output spectrum in thulium-doped fiber oscillators operating in the 2 μm wavelength regime, producing linewidths of <700 pm up to 10 W power levels. A Tm fiber-based amplified spontaneous emission source was used to characterize ...
In this paper, we present a novel packaging architecture for Optoelectronic Multi-Chip-Modules (OEMCM) based on fiber image guides. Fiber image guides (FIGs) are densely packed lattices of small core fibers that have been traditionally used in medical endoscopes and other remote inspection devices. In our chip packaging architecture, small, rigid segments of FIGs are used to fabricate 3D optica...
Microfiber-based Bragg gratings (MFBGs) are an emerging concept in ultra-small optical fiber sensors. They have attracted great attention among researchers in the fiber sensing area because of their large evanescent field and compactness. In this review, the basic techniques for the fabrication of MFBGs are introduced first. Then, the sensing properties and applications of MFBGs are discussed, ...
We report a spatial heterodyne Fourier-transform spectrometer implemented with an array of optical fiber interferometers. This configuration generates a wavelength-dependent stationary interferogram from which the input spectrum is retrieved in a single shot without scanning elements. Furthermore, fabrication and experimental deviations from the ideal behavior of the device are corrected by spe...
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