© 2007-2012 Thorlabs GmbH
96 WFS Series
Click 'Do Calibration' to perform the user calibration and the following message
verifies successful operation.
You are asked to save the reference data to a file. Click 'Yes' to store this user
calibration to a predefined file within your application directory to have it available in
following Wavefront Sensor sessions. Otherwise, if you click 'No' the calibration
remains in memory and active but is lost as soon as the program is terminated. Also
when the sensor resolution (see Camera Settings ) and MLA (see Wavefront
Setup ) is changed and the appropriate reference file is loaded, the current
reference in memory get lost.
User Calibration using a Spherical Wavefront
In order to perform this user calibration you need to apply a high quality divergent
beam that originates from a point source having a perfect spherical wavefront. A
single-mode fiber output without any collimators or lenses is ideally suited for that
purpose. Be sure the beam is properly aligned to the Wavefront Sensor and fills the
selected active camera area completely.
NOTE
The calibration fails for positions that are insufficient illuminated. Although no error
occurs the according area will be excluded in further wavefront measurements.
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