photon beams

Known as: photon beam 
 
National Institutes of Health

Topic mentions per year

Topic mentions per year

1996-2017
012319962017

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2016
2016
We propose the concept of perfect vectorial vortex beams (VVBs), which not merely have intensity profile independent of the… (More)
  • figure 2
  • figure 1
  • figure 3
  • figure 4
  • figure 5
Is this relevant?
2016
2016
The purpose of this study was to evaluate the central axis dose in the build-up region and the surface dose of a 6 MV and 10 MV… (More)
Is this relevant?
2016
2016
The purpose of this study was to investigate Monte Carlo-based perturbation and beam quality correction factors for ionization… (More)
  • figure 1
  • figure 2
  • table 1
  • figure 3
  • table 2
Is this relevant?
2015
2015
We present for the first time a comparison under similar circumstances between Laguerre-Gauss beams (LGBs) and Bessel beams (BB… (More)
Is this relevant?
2010
2010
To investigate the effects of scattered radiation when a thin titanium plate (thickness, 0.05 cm) used for skull fixation in… (More)
Is this relevant?
2008
2008
An approximate expression of a Bessel-Gaussian beam (BGB) with desired topological charge is introduced using a coherence… (More)
Is this relevant?
2007
2007
The Rytov theory for the propagation of Helmholtz-Gauss (HzG) beams in turbulent atmosphere is presented. We derive expressions… (More)
Is this relevant?
2006
2006
The propagation of Helmholtz-Gauss beams in media exhibiting loss or gain is studied. The general expressions for the field… (More)
Is this relevant?
2001
2001
Large energy spread of muon beams can be reduced by so-called phase rotation. It requires rather low frequency or long slope in… (More)
  • figure 1
  • figure 2
  • figure 3
  • figure 6
  • figure 7
Is this relevant?
1999
1999
The concept and the generation of polarized pseudonondiffracting beams (PNDB's) from polarization-selective diffractive phase… (More)
Is this relevant?