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Publications (5)
The EU is working towards providing 2 MW, coaxial-cavity, CW, 170 GHz gyrotrons for ITER. Their design is based on results from an experimental pre-prototype tube in operation at FZK for several years, having a pulse length of several milliseconds. The first industrial prototype tube is designed for CW operation, but, in a first phase, will be test...
The European Union is working toward providing 2-MW, coaxial-cavity, continuous-wave (cw) 170-GHz gyrotrons for ITER. Their design is based on results from an experimental preprototype tube having a pulse length of several milliseconds, in operation at Forschungszentrum Karlsruhe (FZK) for several years now. The first industrial prototype tube was...
Experimental results on a bunched 4-core single-mode fibre tapered
by a fusion technique are presented. The coupler longitudinal shape is
first calculated and then realised to obtain a significant power
transfer between the four waveguides of the structure
The authors present the realisation of an all-fibre add/drop
multiplexer based on UV-written Bragg gratings in the arms of a twincore
fibre Mach-Zehnder interferometer. Experimental results of
photoimprinting and wavelength adjustment of Bragg gratings on the two
neighbouring cores of the fibre are demonstrated. Initial results on the
use of the tw...
