Abstract
Reconstruction the phase front of a vortex laser beam is conducted by use of a Hartmann-Shack wavefront sensor. The vortex beam in the form of the Laguerre-Gaussian LG0 1 mode is generated with the help of a spiral phase plate. The new reconstruction technique based on measured wavefront gradients allows one to restore the singular phase surface with good accuracy, whereas the conventional least-squares approach fails.
Original language | English |
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Pages (from-to) | 2291-2293 |
Number of pages | 3 |
Journal | Optics Letters |
Volume | 32 |
Issue number | 16 |
DOIs | |
Publication status | Published - 15 Aug 2007 |
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics