Bendable large-mode-area fiber with a non-circular core
نویسندگان
چکیده
منابع مشابه
Optimization of dual-core and microstructure fiber geometries for dispersion compensation and large mode area.
We investigate dual concentric core and microstructure fiber geometries for dispersion compensation. Dispersion values as large as -59 000 ps/(nm km) are achieved, over a broad wavelength range with full width at half maximum exceeding 100 nm. The trade-off between large dispersion and mode area is studied. Geometries with an effective mode area of 30 microm2 and dispersion -19 000 ps/(nm km) a...
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We have investigated the use of multimode fiber in optical coherence tomography (OCT) with a mode filter that selectively suppresses the power of the high-order modes (HOMs). A large-core fiber (LCF) that has a moderate number of guiding modes was found to be an attractive alternative to the conventional single-mode fiber for its large mode area and the consequentially wide Rayleigh range of th...
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Starting from the paraxial wave equation, an analytic expression for filament threshold in fiber lasers is derived. The occurrence of filamentation is determined by the larger of two thresholds, one of perturbative gain and one of spatial confinement. The threshold value is approximately a few megawatts, depending on the parameters of the fiber. © 2007 Optical Society of America OCIS codes: 060...
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Large mode area Yb-doped photonic bandgap fiber lasers Report Title Fiber lasers are in the process of revolutionizing modern manufacturing. Further power scaling is still much desired to increase throughput and to break new frontiers in science and defense. It has become very clear now that highly single-mode fibers with large effective mode areas are required to overcome both nonlinear effect...
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ژورنال
عنوان ژورنال: Applied Optics
سال: 2018
ISSN: 1559-128X,2155-3165
DOI: 10.1364/ao.57.006388