Kollhoff R - Search Results

1

[Resolution and sensitivity of a two-dimensional ionisation chamber array (PTW type 10024)].

Poppe B, Atung Z, Chofor G, Blechschmidt A, Djouguela A, Kollhoff R, Rubach A, Harder D. Poppe B, et al. Among authors: kollhoff r. Z Med Phys. 2005;15(4):287-91. doi: 10.1078/0939-3889-00261. Z Med Phys. 2005. PMID: 16422358 German.

2

[Use of a two-dimensional ionization chamber array for quality assurance in medical linear accelerators].

Poppe B, Mehran P, Kollhoff R, Rubach A. Poppe B, et al. Among authors: kollhoff r. Z Med Phys. 2003;13(2):115-22. doi: 10.1078/0939-3889-00151. Z Med Phys. 2003. PMID: 12868337 German.

3

Two-dimensional ionization chamber arrays for IMRT plan verification.

Poppe B, Blechschmidt A, Djouguela A, Kollhoff R, Rubach A, Willborn KC, Harder D. Poppe B, et al. Among authors: kollhoff r. Med Phys. 2006 Apr;33(4):1005-15. doi: 10.1118/1.2179167. Med Phys. 2006. PMID: 16696477

4

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

Djouguela A, Harder D, Kollhoff R, Rühmann A, Willborn KC, Poppe B. Djouguela A, et al. Among authors: kollhoff r. Z Med Phys. 2006;16(3):217-27. doi: 10.1078/0939-3889-00317. Z Med Phys. 2006. PMID: 16986461

5

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

Djouguela A, Griessbach I, Harder D, Kollhoff R, Chofor N, Rühmann A, Willborn K, Poppe B. Djouguela A, et al. Among authors: kollhoff r. Z Med Phys. 2008;18(4):301-6. doi: 10.1016/j.zemedi.2008.06.007. Z Med Phys. 2008. PMID: 19205300

6

Mapping radiation quality inside photon-irradiated absorbers by means of a twin-chamber method.

Chofor N, Harder D, Looe HK, Kapsch RP, Kollhoff R, Willborn K, Rühmann A, Poppe B. Chofor N, et al. Among authors: kollhoff r. Z Med Phys. 2009;19(4):252-63. doi: 10.1016/j.zemedi.2009.05.006. Epub 2009 Jun 21. Z Med Phys. 2009. PMID: 19962083

7

The Schwarzschild effect of the dosimetry film Kodak EDR 2.

Djouguela A, Kollhoff R, Rubach A, Harder D, Poppe B. Djouguela A, et al. Among authors: kollhoff r. Phys Med Biol. 2005 Nov 7;50(21):N317-21. doi: 10.1088/0031-9155/50/21/N04. Epub 2005 Oct 12. Phys Med Biol. 2005. PMID: 16237231

8

DAVID--a translucent multi-wire transmission ionization chamber for in vivo verification of IMRT and conformal irradiation techniques.

Poppe B, Thieke C, Beyer D, Kollhoff R, Djouguela A, Rühmann A, Willborn KC, Harder D. Poppe B, et al. Among authors: kollhoff r. Phys Med Biol. 2006 Mar 7;51(5):1237-48. doi: 10.1088/0031-9155/51/5/013. Epub 2006 Feb 15. Phys Med Biol. 2006. PMID: 16481690

9

Physical mechanism of the Schwarzschild effect in film dosimetry--theoretical model and comparison with experiments.

Djouguela A, Kollhoff R, Rühmann A, Willborn KC, Harder D, Poppe B. Djouguela A, et al. Among authors: kollhoff r. Phys Med Biol. 2006 Sep 7;51(17):4345-56. doi: 10.1088/0031-9155/51/17/014. Epub 2006 Aug 15. Phys Med Biol. 2006. PMID: 16912385

10

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

Djouguela A, Harder D, Kollhoff R, Foschepoth S, Kunth W, Rühmann A, Willborn K, Poppe B. Djouguela A, et al. Among authors: kollhoff r. Phys Med Biol. 2009 May 7;54(9):2807-27. doi: 10.1088/0031-9155/54/9/015. Epub 2009 Apr 15. Phys Med Biol. 2009. PMID: 19369712

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