Paraxial group.
We introduce the paraxial group, the group of symmetries of the paraxial-wave equation and its action on paraxial beams. The transformations, elements of the group, are used to obtain closed-form expressions for the propagation of any paraxial beam through misaligned ABCD optical systems. We prove that any paraxial beam is form-invariant under these transformations.
Bandres
Miguel A
MA
California Institute of Technology, Pasadena, CA 91125, USA. bandres@caltech.edu
Guizar-Sicairos
Manuel
M