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TY - CONF AU - Dixit, T.S. AU - Bansode, N. AU - Bhagwat, A.P. AU - Chavan, S.T. AU - Deshpande, A.P. AU - Gaikwad, G. AU - Ghosh, S. AU - Krishnan, R. AU - Nainwad, C.S. AU - Panchal, G.D. AU - Pethe, S.N. AU - Thakur, K.A. AU - Ukey, V.B. AU - Vidwans, M.M. ED - Liu, Lin ED - Byrd, John M. ED - Neuenschwander, Regis T. ED - Picoreti, Renan ED - Schaa, Volker R. W. TI - Review of Medical Accelerator Development at Sameer, India J2 - Proc. of IPAC2021, Campinas, SP, Brazil, 24-28 May 2021 CY - Campinas, SP, Brazil T2 - International Particle Accelerator Conference T3 - 12 LA - english AB - At the Medical Electronics Division of SAMEER, R&D for the development of a 4 MeV energy electron linac for Cancer therapy was taken up in the late ’80s. An S-band standing wave side coupled structure operating at pi/2 mode was developed for electron acceleration. The linac was integrated with other subsystems in collaboration with CSIO and PGIMER and the first machine was commissioned at PGI, Chandigarh in 1990. Thereafter, a lot of modifications like energy, dose rate, iso-center height etc. were made in the system, and later 4 more machines were commissioned in hospitals for treatment. More than 1,50,000 patients have been treated using SAMEER’s 6 MeV oncology system. Subsequently, development of dual-mode and variable energy electron and photon output machines was undertaken. Two-photon energies of 6 and 15 MV and multiple electron energies starting from 6 to 18 MeV for treatment was offered from the linac. The electron energy variation was done using plunger mechanism in the side coupling cavity. This linac was successfully baked and RF tested for various parameters. This paper describes the experimental parameters achieved for both low and high energy dual-mode linac. PB - JACoW Publishing CP - Geneva, Switzerland SP - 3113 EP - 3115 KW - linac KW - electron KW - photon KW - cavity KW - acceleration DA - 2021/08 PY - 2021 SN - 2673-5490 SN - 978-3-95450-214-1 DO - doi:10.18429/JACoW-IPAC2021-WEPAB209 UR - https://jacow.org/ipac2021/papers/wepab209.pdf ER -