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    • Beam quality and dose perturbation of 6 MV flattening-filter-free linac 

      Tsiamas, P.; Sajo, E.; Cifter, F.; Theodorou, K.; Kappas, C.; Makrigiorgos, M.; Marcus, K.; Zygmanski, P. (2014)
      The aim of this study is twofold: (a) determination of the spectral differences for flattening-filter-free (FFF) versus standard (STD) linac under various clinical conditions, (b) based on an extensive list of clinically ...

    • A modification of flattening filter free linac for IMRT 

      Tsiamas, P.; Seco, J.; Han, Z.; Bhagwat, M.; Maddox, J.; Kappas, C.; Theodorou, K.; Makrigiorgos, M.; Marcus, K.; Zygmanski, P. (2011)
      Purpose: This study investigates the benefits of a modified flattening filter free (FFF) linac over the standard (STD) linac equipped with the flattening filter. Energy and angular spread of the electron beam of the FFF ...