Home > Publications database > Numerical Design of a Compact TE11-to-TM01 Mode Converter for THz-driven Electron Acceleration > print

001     582609
005     20231123211203.0
020 _ _ |a 978-3-95450-231-8
024 7 _ |a 10.18429/JACOW-IPAC2023-WEPA113
|2 doi
024 7 _ |a 2717434
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024 7 _ |a 10.3204/PUBDB-2023-02097
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037 _ _ |a PUBDB-2023-02097
041 _ _ |a English
100 1 _ |a Kellermeier, Max
|0 P:(DE-H253)PIP1086263
|b 0
|e Corresponding author
111 2 _ |a 14th International Particle Accelerator Conference
|g IPAC2023
|c Venice
|d 2023-05-07 - 2023-05-12
|w Italy
245 _ _ |a Numerical Design of a Compact TE11-to-TM01 Mode Converter for THz-driven Electron Acceleration
260 _ _ |a Geneva, Switzerland
|c 2023
|b JACoW Publishing
295 1 0 |a [Ebook] IPAC'23 : 14th International Particle Accelerator Conference, 7-12 May 2023, Venice, Italy : proceedings / hosting institutions: INFN, Elettra Sincotrone Trieste , [Geneva] : JACoW Publishing, [2023],
300 _ _ |a 2916 - 2919
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336 7 _ |a Conference Paper
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336 7 _ |a INPROCEEDINGS
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336 7 _ |a Contribution to a book
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500 _ _ |a Literaturangaben;
520 _ _ |a In recent years the generation of high power millimeter wave and Terahertz radiation has progressed substantially, enabling electron beam manipulation and acceleration in structures with a footprint of several centimeters. However, in many experiments the external driving pulse is coupled collinearly into the waveguide structure which increases the coupling footprint relative to the wavelength tremendously(≈30 𝜆 or more) in comparison to conventional structures(≈1 𝜆 or less). Here, the design of a double-bend mode con-verter for 300 GHz is presented which converts the fundamental TE11 mode quasi-instantaneously to the TM01 mode for the accelerating structure. In comparison to an s-shaped converter, the present design makes an additional waveguide bend obsolete. The structure length along the beam axis is only 4 mm (4 𝜆), showing a major advance in compactness. Combined with a horn antenna for free-space to waveguide coupling, the maximum power coupled into the structure reaches 83 %, while the collinear scheme does not exceed 74 %.
536 _ _ |a 621 - Accelerator Research and Development (POF4-621)
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536 _ _ |a TWAC - THz Wave Accelerating Cavity for ultrafast science (101046504)
|0 G:(EU-Grant)101046504
|c 101046504
|f HORIZON-EIC-2021-PATHFINDEROPEN-01
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536 _ _ |a AXSIS - Frontiers in Attosecond X-ray Science: Imaging and Spectroscopy (609920)
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588 _ _ |a Dataset connected to DataCite
650 _ 7 |a Accelerator Physics
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650 _ 7 |a mc7-accelerator-technology-and-sustainability - MC7: Accelerator Technology and Sustainability
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650 _ 7 |a mc7-t06-room-temperature-rf - MC7.T06: Room Temperature RF
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693 _ _ |a SINBAD
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693 _ _ |a SINBAD
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700 1 _ |a Assmann, Ralph
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700 1 _ |a Vinatier, Thomas
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700 1 _ |a Hillert, Wolfgang
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773 _ _ |a 10.18429/JACOW-IPAC2023-WEPA113
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910 1 _ |a Deutsches Elektronen-Synchrotron
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910 1 _ |a Deutsches Elektronen-Synchrotron
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910 1 _ |a Centre for Free-Electron Laser Science
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910 1 _ |a External Institute
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914 1 _ |y 2023
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