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Demonstrating Novel Functionality of Air-holes to Realize Large-mode-area Optical Fibers
Fiber characterization Fiber design fabrication Microstructured fibers
2015/5/25
A new functionality of air-holes, worked as prevention for micro-deformation induced loss without affecting other properties, is demonstrated. A fiber with Aeff of 150μm 2 was fabricated by utilizing ...
Soft Glass Based Large Mode Area Photonic Bandgap Fibre for Mid-Infrared Applications
Microstructured fibres Fibre design fabrication
2015/5/22
An all-solid LMA Bragg fibre (mode area exceeding 1100μm 2 ) is presented for mid-infrared applications, based on a new design strategy that induces large differential loss between fundamental and hig...
Octagonal Large-Mode-Area Leakage Channel Fiber with Reduced Bending Loss
Fiber design and fabrication Fiber properties Lasers fiber Photonic crystal fibers
2015/6/10
We investigate a novel design for high-power large-mode-area leakage channel fibers(LCFs) with a single octagonal dual-diameter air-hole ring encircling a nine-cell pure-silica core,having a tenfold d...
Real-Time Monitoring of the Modal Content of Monolithic Large-Mode-Area Fiber Lasers
Fiber characterization Lasers fiber Fiber Bragg gratings Fabry-Perot
2015/6/9
A method for the real-time monitoring of the modal content of a monolithic LMA fiber laser is reported for the first time. It allows for the direct observation of the dynamics of transversal mode comp...
Experimental verification of higher-order mode suppression in a bent large-mode-area multi-cladding fiber
Fiber design and fabrication iber properties
2015/6/9
A novel technique to suppress the higher-order mode in a bent large-mode-area triple-cladding fiber is experimentally presented. 3-dB suppression of LP 02 mode is observed on a fabricated triple-cladd...
Simple suppression technique for higher-order mode amplification in bent large mode area triple-cladding fibers
Fiber design fabrication iber properties
2015/6/4
A novel technique to suppress the higher-order mode in bent LMA triple-cladding fibers is proposed. It is shown that the higher-order mode can be coupled to a cladding mode with only an adjustment of ...
Large Mode Area Single-Mode Ytterbium Doped All-Solid Photonic Bandgap Fiber
Large Mode Area Single-Mode Ytterbium Doped All-Solid Photonic Bandgap Fiber
2015/7/14
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.
Investigating Micro-Bend Sensitivity of a Large-Mode-Area Bragg Fiber
Investigating Micro-Bend Sensitivity Large-Mode-Area Bragg Fiber
2015/7/14
Phase-sensitive Optical Low Coherence Reflectometry technique is used to characterize the modes couplings induced by micro-bends in a Large-Mode-Area Bragg fiber made with PCVD. Single-point and multi...
Characterizing Discrete and Distributed Scattering of Higher-Order- Modes in Large-Mode-Area Fibres
Characterizing Discrete Distributed Scattering Higher-Order- Modes Large-Mode-Area Fibres
2015/7/30
We characterize higher-order-mode content in large-mode-area fibres using spatially and spectrally resolved mode imaging. The technique is capable of distinguishing between discrete and distributed sc...
Bend-Induced Transformation of the Transmission window of a Large-Mode-Area Bragg Fibre
Transmission window Large-Mode-Area Bragg Fibre
2015/7/30
We study the effect of bends on the transmission window of the first PCVD large-mode-area Bragg fibre. The origin and the consequences of this effect are also presented.