Publications of C. Hopf
All genres
Journal Article (81)
21.
Journal Article
57, 116007 (2017)
Towards powerful negative ion beams at the test facility ELISE for the ITER and DEMO NBI systems. Nuclear Fusion 22.
Journal Article
123, pp. 281 - 284 (2017)
Helium neutral beam injection into ASDEX Upgrade. Fusion Engineering and Design 23.
Journal Article
123, pp. 289 - 294 (2017)
Extension of heating and pulse power capabilities at ASDEX upgrade. Fusion Engineering and Design 24.
Journal Article
57, 102014 (2017)
Overview of progress in European medium sized tokamaks towards an integrated plasma-edge/wall solution. Nuclear Fusion 25.
Journal Article
123, pp. 381 - 384 (2017)
Characterization and performance improvement of the large titanium sublimation pumps in the AUG and W7‐X neutral beam injectors. Fusion Engineering and Design 26.
Journal Article
57, 056026 (2017)
Conceptual design of the DEMO neutral beam injectors: main developments and R&D achievements. Nuclear Fusion 27.
Journal Article
44 (9, Part 1), pp. 1553 - 1558 (2016)
Optimization of Large Titanium Sublimation Pumps for the Neutral Beam Injection System on AUG and W7-X. IEEE Transactions on Plasma Science 28.
Journal Article
56, 106007 (2016)
Development of the Q=10 scenario for ITER on ASDEX Upgrade (AUG). Nuclear Fusion 29.
Journal Article
55, 083001 (2015)
Fast-ion transport and neutral beam current drive in ASDEX Upgrade. Nuclear Fusion 30.
Journal Article
57, 014018 (2015)
Quantification of the impact of large and smal-scale instabilities on the fast-ion confinement in ASDEX Upgrade. Plasma Physics and Controlled Fusion 31.
Journal Article
1655, 020003 (2015)
Cs-Doped Mo as Surface Converter for H-/D- Generation in Negative Ion Sources: First Steps and Proof of Principle. AIP Conference Proceedings 32.
Journal Article
118, 073303 (2015)
First experiments with Cs doped Mo as surface converter for negative hydrogen ion sources. Journal of Applied Physics 33.
Journal Article
37, pp. 97 - 103 (2013)
Characterization of temperature-induced changes in amorphous hydrogenated carbon thin films. Diamond and Related Materials 34.
Journal Article
37, pp. 92 - 96 (2013)
Long-term H-release of hard and intermediate between hard and soft amorphous carbon evidenced by in situ Raman microscopy under isothermal heating. Diamond and Related Materials 35.
Journal Article
34, pp. 100 - 104 (2013)
Raman spectroscopy investigation of the H content of heated hard amorphous carbon layers. Diamond and Related Materials 36.
Journal Article
53, 104003 (9pp) (2013)
Overview of ASDEX Upgrade Results. Nuclear Fusion 37.
Journal Article
19, 063503 (10pp) (2012)
Production of negative ions on graphite surface in H₂/D₂ plasmas: experiments and SRIM calculations. Physics of Plasmas 38.
Journal Article
286, pp. 20 - 24 (2012)
Transient effects during sputtering of a-C:H surfaces by nitrogen ions. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 39.
Journal Article
22, pp. 92 - 95 (2012)
Raman micro-spectroscopy as a tool to measure the absorption coefficient and the erosion rate of hydrogenated amorphous carbon films heat-treated under hydrogen bombardment. Diamond and Related Materials 40.
Journal Article
51, 094012 (11pp) (2011)
Overview of ASDEX Upgrade results. Nuclear Fusion