© 2011 Thorlabs
33Operating the Beam Profiler
3.3.2.1
2D Projection
The 2D Projection graph shows the image from the Beam Profiler indicating the
power intensity distribution within the selected Region of Interest (ROI).
This window can be opened and closed via the menu item "2D Projection" in the
window menu or via the toggle button in the toolbar. The window can also be
closed via the X button in the upper right corner of the child window.
On the left side of the 2D Projection window a toolbar is located with the following
toggle buttons:
Opens a dialog box to specify the properties of the saved
screenshots / diagrams.
Show or hides the x and y scale
Changes the color of the image from grayscale to color (see
Display Settings )
Marks the Peak Position using a green cross
Marks the Beam Centroid using a blue cross within a blue
circle; resets the centroid indicators
Displays the approximated Beam Ellipse in yellow color.
The ellipse is drawn corresponding to fitted or unfitted
numerical data. See Application Settings to enable/
disable the ellipse fit.
The reference position influences the calculation results;
peak and centroid positions refer to the reference position.
The reference position can be either the center of the
sensor, the center of the region of interest, the peak
position, the centroid position or a user defined position
which can be set in reference position edit mode.
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