THORLABS WFS150, Руководство по эксплуатации

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69 Operating Instruction
© <2007> ... Thorlabs GmbH
Black Level = 255 is too high, lowest intensity pixel show high offset
Black Level = 0 is too low, lowest intensity pixels are below zero and therefore
not measurable
Black Level = 100 is optimal setting, lowest intensity pixels are a somewhat
above zero and therefore good measurable
An automatic adjustment is not supported by the camera. Therefore, it is
suggested to check the correct setting.
Set Default
Click on 'Set Default' to activate the factory default values:
· Cam Noise Level = Auto
· Exposure time and Master Gain = Auto
· Black Level = 100
Settings for Camera Image Size and Averaging remain unchanged.
4.3.3.2 Pupil Definitions Setup
'Pupil Definitions' handle adjustments concerning the pupil which is the image
area which is used for wavefront calculations and Zernike fit definitions.
To open the setup panel you can use the Menu
à
Setup
à
Wavefront Sensor
entry or simply click right on one of the graphs on the right hand side of the main
panel. Select the tab ' Pupil Definitions '.