Calibration of a Shack-Hartmann sensor for absolute measurements of wavefronts.
Appl Opt
; 44(30): 6419-25, 2005 Oct 20.
Article
en En
| MEDLINE
| ID: mdl-16252653
We demonstrate a method with which to calibrate a Shack-Hartmann sensor for absolute wavefront measurement of collimated laser beams. Nearly perfect spherical wavefronts originating from a single-mode fiber were used as references. After the calibration, the uncertainty of the wavefront was less than lambda/100 peak to valley across a diameter of 6 mm. For example, this method allowed us to balance aberrations and prepare collimated beams with wavefronts that are plane to lambda/500 across 1 mm.
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Colección:
01-internacional
Base de datos:
MEDLINE
Tipo de estudio:
Prognostic_studies
Idioma:
En
Revista:
Appl Opt
Año:
2005
Tipo del documento:
Article
País de afiliación:
Alemania
Pais de publicación:
Estados Unidos