Harder D - Search Results

1

Characterization of the radiation quality of 60Co therapy units by the fraction of air kerma attributable to scattered photons.

Chofor N, Looe HK, Kapsch RP, Harder D, Willborn KC, Rühmann A, Poppe B. Chofor N, et al. Among authors: harder d. Phys Med Biol. 2007 Apr 7;52(7):N137-47. doi: 10.1088/0031-9155/52/7/N03. Epub 2007 Mar 16. Phys Med Biol. 2007. PMID: 17374907

2

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: harder d. 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

3

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: harder d. 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

4

Enhanced accuracy of the permanent surveillance of IMRT deliveries by iterative deconvolution of DAVID chamber signal profiles.

Looe HK, Harder D, Rühmann A, Willborn KC, Poppe B. Looe HK, et al. Among authors: harder d. Phys Med Biol. 2010 Jul 21;55(14):3981-92. doi: 10.1088/0031-9155/55/14/003. Epub 2010 Jun 24. Phys Med Biol. 2010. PMID: 20577038

5

Performance parameters of a liquid filled ionization chamber array.

Poppe B, Stelljes TS, Looe HK, Chofor N, Harder D, Willborn K. Poppe B, et al. Among authors: harder d. Med Phys. 2013 Aug;40(8):082106. doi: 10.1118/1.4816298. Med Phys. 2013. PMID: 23927343

6

Monte Carlo study of the depth-dependent fluence perturbation in parallel-plate ionization chambers in electron beams.

Zink K, Czarnecki D, Looe HK, von Voigts-Rhetz P, Harder D. Zink K, et al. Among authors: harder d. Med Phys. 2014 Nov;41(11):111707. doi: 10.1118/1.4897389. Med Phys. 2014. PMID: 25370621

7

Dosimetric characteristics of the novel 2D ionization chamber array OCTAVIUS Detector 1500.

Stelljes TS, Harmeyer A, Reuter J, Looe HK, Chofor N, Harder D, Poppe B. Stelljes TS, et al. Among authors: harder d. Med Phys. 2015 Apr;42(4):1528-37. doi: 10.1118/1.4914151. Med Phys. 2015. PMID: 25832043

8

Experimental determination of the lateral dose response functions of detectors to be applied in the measurement of narrow photon-beam dose profiles.

Poppinga D, Meyners J, Delfs B, Muru A, Harder D, Poppe B, Looe HK. Poppinga D, et al. Among authors: harder d. Phys Med Biol. 2015 Dec 21;60(24):9421-36. doi: 10.1088/0031-9155/60/24/9421. Epub 2015 Nov 19. Phys Med Biol. 2015. PMID: 26583596

9

Experimental study on photon-beam peripheral doses, their components and some possibilities for their reduction.

Chofor N, Harder D, Rühmann A, Willborn KC, Wiezorek T, Poppe B. Chofor N, et al. Among authors: harder d. Phys Med Biol. 2010 Jul 21;55(14):4011-27. doi: 10.1088/0031-9155/55/14/005. Epub 2010 Jun 24. Phys Med Biol. 2010. PMID: 20577041

10

Low-energy photons in high-energy photon fields--Monte Carlo generated spectra and a new descriptive parameter.

Chofor N, Harder D, Willborn K, Rühmann A, Poppe B. Chofor N, et al. Among authors: harder d. Z Med Phys. 2011 Sep;21(3):183-97. doi: 10.1016/j.zemedi.2011.02.002. Epub 2011 May 6. Z Med Phys. 2011. PMID: 21530198 Free article.

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