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41por Wen, Ning, Zhao, Bo, Kim, Jinkoo, Chin‐Snyder, Karen, Bellon, Maria, Glide‐Hurst, Carri, Barton, Kenneth, Chen, Daiquan, Chetty, Indrin J.“…The effects of gantry range, gantry speed, leaf speed, dose rate, as well as the capability to capture intentional errors, were evaluated by measuring a series of Picket Fence (PF) tests using the electronic portal imaging device (EPID) and EBT3 films. …”
Publicado 2014
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42por Sharma, Dayananda Shamurailatpam, Dongre, Prabhakar M, Mhatre, Vaibav, Heigrujam, Malhotra“…Minimum and maximum effective penumbra along the straight diagonal edge of irregular fields increased from 0.3 and 0.32 cm at 70° steep angle to 0.35 and 0.56 cm at 20° steep angle. Modified Picket Fence test showed average FWHM of 0.18 cm and peak‐to‐peak distance of 1.99 cm for 0.1 cm band and 2 cm interband separation. …”
Publicado 2011
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43por Kim, Jinkoo, Wen, Ning, Jin, Jian‐Yue, Walls, Nicole, Kim, Sangroh, Li, Haisen, Ren, Lei, Huang, Yimei, Doemer, Anthony, Faber, Kathleen, Kunkel, Tina, Balawi, Ahssan, Garbarino, Kimberly, Levin, Kenneth, Patel, Samir, Ajlouni, Munther, Miller, Brett, Nurushev, Teamor, Huntzinger, Calvin, Schulz, Raymond, Chetty, Indrin J., Movsas, Benjamin, Ryu, Samuel“…The sharpest profile penumbra was observed for the SFD because of its small active diameter (0.6 mm). (2) MLC commissioning: Winston Lutz test, light/radiation field congruence, and Picket Fence tests were performed and were within criteria established by the relevant task group reports. …”
Publicado 2012
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