Title :
Fast thermometry for superconducting RF cavity testing
Author :
Orris, Darryl ; Bellantoni, Leo ; Carcagno, Ruben H. ; Edwards, Helen ; Harms, Elvin Robert ; Khabiboulline, Timergali N. ; Kotelnikov, Sergey ; Makulski, Andrzej ; Nehring, Roger ; Fermilab, Y.P.
Author_Institution :
Fermilab, Batavia
Abstract :
Fast readout of strategically placed low heat capacity thermometry can provide valuable information of Superconducting RF (SRF) cavity performance. Such a system has proven very effective for the development and testing of new cavity designs. Recently, several resistance temperature detectors (RTDs) were installed in key regions of interest on a new 9 cell 3.9 GHz SRF cavity with integrated HOM design at FNAL. A data acquisition system was developed to read out these sensors with enough time and temperature resolution to measure temperature changes on the cavity due to heat generated from multipacting or quenching within power pulses. The design and performance of the fast thermometry system will be discussed along with results from tests of the 9 cell 3.9 GHz SRF cavity.
Keywords :
accelerator RF systems; accelerator cavities; data acquisition; particle accelerator accessories; data acquisition system; fast thermometry system; integrated HOM design; low heat capacity thermometry; resistance temperature detectors; superconducting RF cavity testing; Data acquisition; Detectors; Electrical resistance measurement; Pulse measurements; Radio frequency; Sensor systems; System testing; Temperature measurement; Temperature sensors; Thermal sensors;
Conference_Titel :
Particle Accelerator Conference, 2007. PAC. IEEE
Conference_Location :
Albuquerque, NM
Print_ISBN :
978-1-4244-0916-7
DOI :
10.1109/PAC.2007.4441223
