James Robar

Professor & Chief of Medical Physics

JR headshot

Email: james.robar@nshealth.ca
Phone: 902-473-6017
Fax: 902-473-6120
Mailing Address: 
Department of Radiation Oncology
Dalhousie University
Rm 3001, Dickson Building
5820 University Avenue
Halifax, B3H 1V7


  • BSc (McGill)
  • MSc (McGill)
  • PhD (UBC)
  • Residency in oncology medical physics (BC Cancer Agency, Vancouver Centre)

Research interests

Image guided radiation therapy
Novel beams produced by linear accelerators
Fluence Modulated Cone Beam CT
3D printing applications in radiation therapy
Dose enhancement with gold nanoparticles

Administrative roles

  • Associate Head, Medical Physics
  • Program Director
  • MSc and PhD in Medical Physics
  • Department of Physics and Atmospheric Science
  • Chief, Department of Medical Physics, Nova Scotia Health Authority 

Academic interests

Computational methods in oncology and imaging physics

Awards and honours

2015        Springboard Atlantic IM-Industry Engagement award, $6,988 (including matching funds). Co-investigator with Drs. Syme and Thomas.

2014      Springboard Atlantic funding for proof of concept and patenting, in support of project: Application of 3D printing to radiation therapy: increasing accuracy, reducing toxicity and decreasing cost of treatment, $28,228k (includes $10k matching funds).  

2014      Research Grant, Dalhousie Department of Radiation Oncology, Photon Beam Applications of 3D Printed Bolus, $10,000 (co-investigator with M. Yewondwossen)

2014      Research Grant, collaboration with Brainlab AG, in support of project: Investigation of dual-energy stereoscopic image guidance, $33,333 (co-investigator with Dr. M. Sattarivand)

2014   Research Grant, collaboration with Varian Medical, Inc., in support of project: Investigation of dynamic kV collimation for volume-of-interest CBCT and intrafractional monitoring, $250,750 (+ software and hardware resources)

Recent publications

T. Stevens and J. L. Robar, Continuous monitoring of prostate position using stereoscopic and monoscopic kV image guidance, Medical Physics, 43(5), 2558, 2016.

D. Parsons and J. L. Robar, Volume of Interest CBCT and Tube Current Modulation for image guidance using dynamic kV collimation,  Medical Physics, 43(4), 1808, 2016.

R. I. Berbeco, A. Detappe, P. Tsiamas, D. Parsons, M. Yewondwossen and J.L. Robar, Low Z target switching to increase tumor endothelial cell dose enhancement during gold nanoparticle-aided radiation therapy, Medical Physics, 43, 426, 2016.

D. Parsons and J. L. Robar, An investigation of kV CBCT image quality and dose reduction for volume-of-interest imaging using dynamic collimation, Medical Physics, 42, 5258, 2015.

A. Detappe, S. Kunjachan, J. Rottmann, J. L. Robar, P. Tsiamas, H. Korideck, O. Tillement, R. Berbeco, AGuIX nanoparticles as a promising platform for image-guided radiation therapy, Cancer Nanotechnology, 6(4), 2015.

D. Leary and J. Robar, CBCT with specification of imaging dose and CNR by anatomical volume of interest, Medical Physics, 41(1), 2014.

D. Parsons, J. Robar and D. Sawkey, A Monte Carlo investigation of low-Z target image quality generated  in a linear accelerator using Varian’s Virtualinac, Medical Physics, 41(2), 2014.

S Su, K. Moran, J.L. Robar, Design and production of 3D printed bolus for electron radiation therapy, JACMP, 15(4), 2014, 194-211.


Other interests and achievements

  • Vice President, Board of Directors, Commission on Accreditation of Medical Physics Educational Programs (CAMPEP)
  • Program reviewer, Graduate Program Education Program Review Committee, CAMPEP
  • Co-founder, 3DBolus
  • Founding Senior Associate Editor, Advances in Radiation Oncology
  • Reviewer, Medical Physics, Physics in Medicine and Biology, International Journal of Radiation Oncology Biology Physics