Wesley Culberson


Assistant Professor (CHS)

Director, University of Wisconsin Accredited Dosimetry Calibration Laboratory (UWADCL)

Assistant Director, University of Wisconsin Medical Radiation Research Center (UWMRRC)



B1141 WIMR
1111 Highland Ave.
Madison, WI 53705


B.S. – Physics, Furman University, Greenville, SC, 2001

M.S. – Medical Physics, University of Wisconsin – Madison, 2003

Ph.D. – Medical Physics, University of Wisconsin – Madison, 2006

Professional Certifications
American Board of Radiology (ABR) – Certified in therapeutic radiation physics

Department Affilations

Medical Physics

Research Interests

  • Metrology
  • Ionization chambers
  • Radiation therapy
  • Radiation dosimetry in diagnostic radiology and radiotherapy
  • Thermoluminescent Dosimeters (TLDs)
  • Calorimetry


  • C. Hammer, B. Rosen, J. Fagerstom, W Culberson, and L. DeWerd, “Experimental investigation of GafChromic EBT3 intrinsic energy dependence with kv x rays, 137Cs, and 60Co”, Medical Physics 45 (1), 448-459, 2018. doi:10.1002/mp.12682
  • J. Hansen, W. Culberson, and L. DeWerd, “Windowless extrapolation chamber measurement of surface dose rate from a 90Sr/90Y ophthalmic applicator”, Radiation Measurements, 108, 34-40, 2018. Doi: 10.1016\j.radmeas.2017.11.003
  • H. Petroccia, N. Mendenhall, C. Liu, C. Hammer, W. Culberson, T. Thar, T. Mitchell, Z Li, and W. Bolch, “A hybrid phantom monte carlo-based method for historical reconstruction of organ doses in patients treated with cobalt-60 for Hodgkin’s Lymphoma”, Phys Med Biol. 2017 Jul 17;62(15):6261-6289 doi: 10.1088\1361-6560\aa7c2f. PubMed PMID: 28714462.
  • J. Fagerstrom, E. Bender, M. Lawless, and W. Culberson, “Design of a modulated orthovoltage stereotactic radiosurgery system”, Med Phys, 2017 Jul;44(7)3776-3787. Doi: 10.1002/mp.12336.Epub 2017 Jun 9. PubMed PMID: 28498612
  • S. Ellefson, W. Culberson, B. Bednarz, L. DeWerd, and J. Bayouth, “An anlalysis of the ArcCHECK-MR diode array’s performance for ViewRay quality assurance”, J. Appl. Clin. Med. Phys., 18(4): 161-171: 1-11, (2017), DOI: 10.1002/acm2.12107. PubMed PMID: 28681448.
  • C. Matrosic, A. McMillan, J. Holmes, B. Bednarz, and W. Culberson 2017 “Dosimetric comparison of DEFGEL and PAGAT formulae paired with an MRI acquisition” J Phys: Conf. Series 847 012012, (2017)
  • B. Muir, W. Culberson, S. Davis, G-Y Kim, Y. Huang, S-W Lee, J. Lowenstein, A. Sarfehnia, J. Siebers, N. Tolani, “Insight gained from responses to surveys on reference dosimetry practices”, J Appl Clin Med Phys, 18:3:182-190 (2017) doi: 10.1002/acm2.12081
  • B. Smith, J. Micka, M. Aima, L. DeWerd, W. Culberson, “Air-kerma strength determination of an HDR IR-192 source including a geometric sensitivity study of the seven-distance method”,Medical Physics 44(1), 311-320 (2017) doi: 10.1002/mp.12017
  • E. Grant, L Bartol, T. Trumbull, P. Wilson, R. Agasie, W. Culberson, J. Radtke, E. Kent, P. Brooks, and M. Anderson, “Energy deposition prediction calculation using MC21 and MCNP for calorimeters of various materials in the University of Wisconsin Nuclear Reactor, PHYSOR 2016, 3, 1992-2000, (2016). ISBN: 9781510825734
  • S. Taneja, L. Bartol, W. Culberson and L. DeWerd, “Air-kerma modulation effects on the energy spectrum of a Cs-137 irradiator using Monte-Carlo techniques”, Radiation Measurements 95, 9-15, (2016) doi: 10.1118/1.4958124
  • L. DeWerd and W. Culberson, “Importance of HDR source calibration and measurement”, AIP Conf. Proc. 1747, 020001-1-020001-5, (2016). doi: 10.1063/1.4954088
  • C. Matrosic, W. Culberson, and B. Bednarz, “Initial characterization of a gel patch dosimetry for in vivo dosimetry”, Physics in Medicine and Biology, 61, N240-N248, (2016). doi: 10.1088/0031-9155/61/10/N240
  • J. Boivin, S. Beddar, C. Bonde, D. Schmidt, W. Culberson, M. Guillemette, and L. Beaulieu, “A systematic characterization of the low-energy photon response of plastic scintillation detectors”, Physics in Medicine and Biology, 61, 5569-5586, (2016). doi: 10.1088/0031-9155/61/15/5569
  • H. Shen, W. Culberson, and C. Ross, “An investigation of polarity effects for wide-angle free-air chambers”, Medical Physics, 43(7), (2016). doi: 10.1118/1.4951727
  • J.M. Fagerstrom, E.T. Bender, and W.S. Culberson, “Dose gradients and prescription isodose in orthovoltage stereotactic radiosurgery”, Medical Physics, 43(2072), (2016). DOI: http://dx.doi.org/10.1118/1.4944782.
  • K.H. Pedersen, K.A. Kunugi, C.G. Hammer, W.S. Culberson, L.A. DeWerd, “Radiation biology irradiator dose verification survey”, Radiation Research 185, 163-168, 2016. DOI: 10.1667/RR14155.1
  • M. Aima, J.L. Reed, L.A. DeWerd, and W.S. Culberson, “Air-kerma strength determination of a new directional Pd-103 source”, Medical Physics, Under Review, 2015.
  • K.H. Pedersen, K.A. Kunugi, C.G. Hammer, W.S. Culberson, L.A. DeWerd, “Radiation biology irradiator dose verification survey”, Radiation Research, Under Review, 2014.
  • L.A. DeWerd, W.S. Culberson, J.A. Micka, S.J. Simiele, “A modified dose calculation formalism for electronic brachytherapy sources”, Brachytherapy, 14, 405-408, 2015.
  • E.S. Moura, J.A. Micka, C.L. Hammer, W.S. Culberson, L.A. DeWerd, “Development of an experimental phantom to account for the effects of heterogeneities in High-Dose-Rate Brachyhterapy Treatment Planning Systems”, Medical Physics, 42(4) 1566-1574, 2015.
  • J.L. Reed, B.E. Rasmussen, S.D. Davis, J.A. Micka, W.S. Culberson, L.A. DeWerd, “Determination of the intrinsic energy depdence of LiF:Mg,Ti Thermoluminescent Dosimeters for I-125 and Pd-103 brachytherapy sources relative to Co-60”, Medical Physics, 41(2) 122103, 2014.
  • L.A. DeWerd, Q. Liang, J.L. Reed, W.S. Culberson, “The Use of TLDs for Brachytherapy Dosimetry”, Radiation Measurements 71, 276-281, 2014. doi: 10.1016/j.radmeas.2014.05.005.
  • J.L. Reed, M.J. Rivard, J.A. Micka, W.S. Culberson, L.A. DeWerd, “Experimental and Monte Carlo dosimetry characterization of the CivaString CS10 103Pd brachytherapy source”, Brachytherapy, 13 (2014) 657-667.
  • S.J. Becker, W.S. Culberson, and R.T. Flynn, “Collision indicator charts for gantry-couch position combinations for Siemens Oncor & Elekta Infinity linacs”, Journal of Applied Clinical Medical Physics, Accepted for publication May 1, 2013.
  • J.J. VanDamme, W.S. Culberson, L.A. DeWerd, and J.A. Micka, “Air-kerma strength determination of a Yb-169 high dose rate brachytherapy source”, Medical Physics, 35 (9), 3935-3942, 2008.
  • A.B. Paxton, W.S. Culberson, L.A. DeWerd, J.A. Micka, “Primary calibration of coiled 103Pd sources”, Medical Physics, 35 (1), 32-38, 2008.
  • W.S. Culberson, L.A. DeWerd, D.R. Anderson, and J.A. Micka, “Large-volume ionization chamber with variable apertures for air-kerma measurements of low-energy radiation sources”, Review of Scientific Instruments, 77 (1), 2006.
  • W.S. Culberson, L.A. DeWerd, B.R. Thomadsen, J.A. Micka, and T.D. Bohm, “Calibration of the photon component of 198Au stents”, Brachytherapy, 4, 51-58, 2005.


  • American Association of Physicists in Medicine (AAPM)
  • American Society for Therapeutic Radiology and Oncology (ASTRO)
  • American Institute of Physics
  • American Brachytherapy Society (ABS)
  • Council on Ionizing Radiation Measurements and Standards (CIRMS)
  • Radiation Research Society