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搜索结果: 1-11 共查到工学 Bandgap Fiber相关记录11条 . 查询时间(0.041 秒)
We report fabrication of the first low-loss, broadband 37-cell photonic bandgap fiber.Exploiting absence of surface modes and low cross-talk in the fiber we demonstrate mode division multiplexing over...
From scanning-electron microscope images of the cross section of a photonic-bandgap ber (NKT Photonics’HC-1550-02) we developed a realistic model for its permittivity profile that includ...
A novel polarizer is designed by liquidfi lling in partial air-holes of a hollow-core photonic bandgap fi ber(PBGF) forming an asymmetric waveguide structur e, which leads to the vertical polarization...
We report on oscillators and amplifiers based on all-silica singlemode, large mode area photonic bandgap fibers elaborated by the modified chemical vapour deposition process.
Solid photonic bandgap fibers offer distributed spectral filtering with extraordinarily high suppression. This opens new possibilities of artificially tailoring the gain spectrum of fibers. We present...
We describe the fabrication and characteristic of an all-solid photonic bandgap fiber with loss as low as 0.41dB/km at 1550nm within the first-order bandgap. The control of bandgaps,dispersion and ben...
The mode coupling properties of highly-birefringent tuneable LPGs formed in HC-PBGF are presented. The mode coupling from the fundamental core mode to higher-order guided mode of a HC-PBGF is obtained...
Linearly-polarized lasing at 1180 nm is demonstrated by utilizing polarization maintaining Yb-doped solid photonic bandgap fiber. The extinction ratio of the output light between two lineary-polarized...
An electrically controlled liquid crystal photonic-bandgap fiber polarizer is experimentally demonstrated.A maximum 21.3dB electrically tunable polarization extinction ratio is achieved with 45° rotat...
We report on a new fiber design: an ytterbium-doped single-mode all-solid photonic bandgap fiber with a MFD of 18 micrometers. This fiber design has the potential for scaling to larger MFD.
A polarization maintaining filter based on a liquid-crystal-photonic-bandgap-fiber is demonstrated. Its polarization extinction ratio is 14 dB at 1550 nm. Its tunability is 150 nm.

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