Optical Projection Tomography band volume

From Optical Imaging and Spectroscopy (Wiley - OSA 2009)
By David J. Brady
www.opticalimaging.org
Figure 10.40

theta=Pi/18;
pa=ParametricPlot3D[{r Cos[t],r Sin[t],r Sin[theta]},{r,0,1},{t,-Pi,Pi},Lighting->{{"Ambient",GrayLevel[.8,.5],{{5,5,4},{5,5,0}}}}]

pb=ParametricPlot3D[{ Cos[t],Sin[t],r Sin[theta]},{r,0,1},{t,-Pi,Pi},Lighting->{{"Ambient",GrayLevel[.8,.5],{{5,5,4},{5,5,0}}}},AxesLabel->{u,v,w}]

Show[{pb,pa},PlotRange->{{-1.5,1.5},{-1.5,1.5},{-.2,.2}}]