SU-E-T-614: Derivation of Equations to Define Inflection Points and Its Analysis in Flattening Filter Free Photon Beams Based On the Principle of Polynomial function

2014 ◽  
Vol 41 (6Part21) ◽  
pp. 369-369
Author(s):  
K Raja Muralidhar ◽  
K Komanduri
Keyword(s):  
Polynomial Function ◽  
Photon Beams ◽  
Its Analysis ◽  
Flattening Filter Free ◽  
Inflection Points ◽  
Flattening Filter

scholarly journals Comparative investigation of beam quality index Q on flattening filter and flattening filter free 6 and 15 MV photon beams of an medical linear accelerator

2017 ◽  
Vol 3 (2) ◽  
pp. 287-290
Author(s):  
Michael Schaks ◽  
Johannes Zähle ◽  
Martin Janich ◽  
Patrick Hübsch ◽  
Nico Homonnay ◽  
...  
Keyword(s):  
Linear Accelerator ◽  
Quality Index ◽  
Beam Quality ◽  
Comparative Investigation ◽  
Central Axis ◽  
Photon Beams ◽  
Medical Linear Accelerator ◽  
Flattening Filter Free ◽  
Flattening Filter ◽  
Beam Quality Correction Factor

AbstractAn Elekta Synergy LINAC was used to investigate the beam quality index Q and the beam quality correction factor kQ, which is used for absolute dosimetry, in off-axis photon fields. It was found that the beam quality index Q of the photon energies with flattening filter decreases with increasing distance to the central axis, at 6 MV by 4.27% and at 15 MV by 3.98% inside a range of 15 cm off-axis. The beam quality index for flattening filter free photon fields also decreases with increasing distance to the central axis. In this case Q changed only by 1.01% inside the above range.

SU-DD-A1-03: Dosimetric Properties of Photon Beams From a Flattening Filter Free Clinical Accelerator

2005 ◽  
Vol 32 (6Part2) ◽  
pp. 1896-1896 ◽  
Author(s):  
O Vassiliev ◽  
U Titt ◽  
S Kry ◽  
F Poenisch ◽  
M Gillin ◽  
...  
Keyword(s):  
Photon Beams ◽  
Flattening Filter Free ◽  
Flattening Filter

TH-E-224A-06: Dosimetric Properties of 8 and 10 MV Photon Beams From a Flattening Filter Free Clinical Accelerator

2006 ◽  
Vol 33 (6Part23) ◽  
pp. 2292-2292 ◽  
Author(s):  
O Vassiliev ◽  
U Titt ◽  
M Gillin ◽  
R Mohan
Keyword(s):  
Photon Beams ◽  
Flattening Filter Free ◽  
Flattening Filter

SU-E-T-719: Surface Dose Evaluation of the Equivalent Quality Flattening Filter-Free Photon Beams

2015 ◽  
Vol 42 (6Part23) ◽  
pp. 3502-3502
Author(s):  
M Meshram ◽  
S Pramanik ◽  
C P Ranjith ◽  
M Meshram
Keyword(s):  
Surface Dose ◽  
Photon Beams ◽  
Dose Evaluation ◽  
Flattening Filter Free ◽  
Flattening Filter

SU-F-T-511: Feasibility Study of Using Flattening-Filter-Free Photon Beams to Deliver Conventional Flat Beam

2016 ◽  
Vol 43 (6Part21) ◽  
pp. 3580-3581
Author(s):  
N Potter ◽  
S Lebron ◽  
G Yan ◽  
J Li ◽  
C Liu ◽  
...  
Keyword(s):  
Feasibility Study ◽  
Photon Beams ◽  
Flattening Filter Free ◽  
Flattening Filter ◽  
Flat Beam
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