Ralf Kollhoff

SU‐FF‐T‐140: Dosimetric IMRT Plan Verification and Daily Quality Assurance with a Two‐Dimensional Ionization Chamber Array

Dietrich Harder, Bjoern Poppe, Arne Blechschmidt, 2005 .

Einsatz eines zweidimensionalen Ionisationskammer-Arrays zur Qualitätssicherung an medizinischen Linearbeschleunigern

Ralf Kollhoff, Björn Poppe, Paghmon Mehran, 2003 .

Implementation of a complete IMRT QA program and clinical experience with the DAVID chamber for in-vivo verification of IMRT deliveries

Dietrich Harder, Ralf Kollhoff, Hui Khee Looe, 2009 .

The Effect of a Carbon-Fiber Couch on the Depth-Dose Curves and Transmission Properties for Megavoltage Photon Beams

Armand Djouguela, Ralf Kollhoff, Björn Poppe, 2007, Strahlentherapie und Onkologie.

The dose-area product, a new parameter for the dosimetry of narrow photon beams.

Dietrich Harder, Armand Djouguela, Ralf Kollhoff, 2006, Zeitschrift fur medizinische Physik.

Dosimetric characteristics of an unshielded p-type Si diode: linearity, photon energy dependence and spatial resolution.

Dietrich Harder, Armand Djouguela, Ralf Kollhoff, 2008, Zeitschrift fur medizinische Physik.

Fourier deconvolution reveals the role of the Lorentz function as the convolution kernel of narrow photon beams.

Dietrich Harder, Armand Djouguela, Ralf Kollhoff, 2009, Physics in medicine and biology.