Simple geometric phantoms
Use of geometric phantoms with 2D detector arrays (2D
3D)
http://www.ptw-usa.com/octavius.htmlVerification of VMAT dose at individual gantry positions possible, but with early
versions of this product there were dimensional dependence issues…
http://www.wienkav.at/kav/kfj/91033454/physik/729/PMO.htm