Calculations and model measurements for the Euterpe cavity

The 400 MeV storage ring Euterpe is under construction. A quarter wave cavity (45 MHz, 50 kV) will accelerate the electrons. Due to space limitations the cavity length should not exceed 0.5 m. Therefore three special geometries are considered which have an 'electrical length' several times...

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Main Authors: van der Heide, J.A., Rubingh, M.J.A., Kleeven, W.J.G.M., Botman, J.I.M., Timmermans, C.J., Hagedoorn, H.L.
Format: Conference Proceeding
Language:English
Subjects:
Acceleration
Capacitance
Coaxial components
Equivalent circuits
Impedance matching
Inductance
Space technology
Transmission line matrix methods
Transmission line theory
Voltage
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container_end_page 1074 vol.2
container_issue
container_start_page 1072
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creator van der Heide, J.A.
Rubingh, M.J.A.
Kleeven, W.J.G.M.
Botman, J.I.M.
Timmermans, C.J.
Hagedoorn, H.L.
description The 400 MeV storage ring Euterpe is under construction. A quarter wave cavity (45 MHz, 50 kV) will accelerate the electrons. Due to space limitations the cavity length should not exceed 0.5 m. Therefore three special geometries are considered which have an 'electrical length' several times the physical length of the cavity. The first employs radial transmission line folding, the second longitudinal folding and the third capacitive loading of the transmission line. Transmission line theory is used to predict the cavity properties. Good agreement is found with SUPERFISH calculations. The capacitive loading option is superior considering its simplicity of construction and high shunt impedance. An LC equivalent circuit is used to model the impedance matching w.r.t the rf generator. Results are in good agreement with measurements on a scale 1:1 cold model.< >
doi_str_mv 10.1109/PAC.1993.308680
format conference_proceeding
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Acceleration
Capacitance
Coaxial components
Equivalent circuits
Impedance matching
Inductance
Space technology
Transmission line matrix methods
Transmission line theory
Voltage
title Calculations and model measurements for the Euterpe cavity
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