Off-axis parabolic optical relays: almost perfect imaging

- Holdsworth, John L., Sharafutdinova, Galiya, Sanderson, Michael J., van Helden, Dirk F.

Improved field scanner incorporating parabolic optics: part 2: experimental verification and potential for volume scanning

- Sharafutdinova, Galiya, Holdsworth, John, van Helden, Dirk