Fabrication and Tests of a RF Cavity for a Novel Compact Superconducting Cyclotron for Radioisotope Production

Gavela, Daniel; Bravo, Beatriz; Calero, Jesus; Fos, Roger; García-Tabarés, Luis; Gómez, Pablo; López, Daniel; Obradors-Campos, Diego; Ocampo, Jesus; Oliver, Concepcion; Pérez, Francis; Pérez Morales, Jose; Podadera, Ivan; Salom, Angela; Solans, Pol; Toral, Fernando

doi:10.18429/JACoW-IPAC2017-THPVA062

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RIS citation export for THPVA062: Fabrication and Tests of a RF Cavity for a Novel Compact Superconducting Cyclotron for Radioisotope Production

TY - CONF
AU - Gavela, D.
AU - Bravo, B.
AU - Calero, J.
AU - Fos, R.
AU - García-Tabarés, L.
AU - Gómez, P.
AU - López, D.
AU - Obradors-Campos, D.
AU - Ocampo, J.R.
AU - Oliver, C.
AU - Podadera, I.
AU - Pérez Morales, J.M.
AU - Pérez, F.
AU - Salom, A.
AU - Solans, P.
AU - Toral, F.
ED - Schaa, Volker RW
ED - Arduini, Gianluigi
ED - Pranke, Juliana
ED - Seidel, Mike
ED - Lindroos, Mats
TI - Fabrication and Tests of a RF Cavity for a Novel Compact Superconducting Cyclotron for Radioisotope Production
J2 - Proc. of IPAC2017, Copenhagen, Denmark, 14â19 May, 2017
C1 - Copenhagen, Denmark
T2 - International Particle Accelerator Conference
T3 - 8
LA - english
AB - The AMIT cyclotron will be a 8.5 MeV, 10 microAmp, CW, H⁻ accelerator for radioisotope production, including a superconducting, weak focusing, 4 T magnet, allowing for a low extraction radius and a compact design. The cavity is a 60 MHz, quarter wave resonator powered by a modular 8 kW solid state amplifier. The design of the cavity dealed with challenging requirements: high electric fields required by a high voltage (60 kV) on a small gap, a small aperture of the magnet leading to high capacitances and thermal losses and a requirement for a low overall size of the cavity. The fabrication process included high precision machining, soft soldering, laser welding and careful metrologies, which are described together with other technical and practical aspects. The low power tests showed a good agreement with the simulations. The conditioning of the cavity was performed with a 1.1 T magnetic field applied on the central region. It was successfully finished regarding to maximum voltage reached, power losses and temperatures. The cavity was also tested at high power with a constant hydrogen flow injected in the central region (as expected in the cyclotron) with success.
PB - JACoW
CP - Geneva, Switzerland
SP - 4585
EP - 4587
KW - cavity
KW - cyclotron
KW - vacuum
KW - simulation
KW - pick-up
DA - 2017/05
PY - 2017
SN - 978-3-95450-182-3
DO - 10.18429/JACoW-IPAC2017-THPVA062
UR - http://jacow.org/ipac2017/papers/thpva062.pdf
ER -