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FocusMonitor FM+
Option
Move axes
nominal Power P in W *
Number of averaged planes *
Number of planes *
Rotational speed in rpm *
Save device settings
Used wavelength in nm *
z-Axis position (z1/z2) in mm *
Revision 08 EN - 08/2023
Explanation
With this option, the vertical and horizontal carriers can be moved in a
defined manner. There are 3 options to choose from:
•
Move to y position
•
Move to z position
•
Move to the focus of the selected caustic
Use one of the following options:
X Enter a value in the input field.
X Use the slider below the input field.
This option is described in chapter 9.5.2 „Move axes" on page 39.
To calculate the power density, the laser power used must be entered.
Otherwise, the measured amplitudes are given directly in counts.
X Enter the nominal laser power used during measurement.
With the default setting of 1 in the input field, no averaging takes place.
X Enter the number of plane measurements >1 for averaging
X The predefiend number of planes is 21.
X Enter the desired number of single plane measurements of the time
series.
The required speed of the measuring tip used must be determined according
to appendix B on page 79.
X Select the speed of the measuring tip from the drop-down list.
All options marked with an asterisk in the Device control menu can be
saved in the EEPROM of the device.
These and other options for saving/loading configurations are described
in chapter 9.4.6 „Saving options" on page 36.
To calculate the beam quality factor M², the used wavelength must be
entered. Depending on the display in the option Calibrated wavelength(s)
in nm, the used wavelength can be entered in a defined range.
For example, with a „calibrated wavelength" of 1 064 nm, the used wave-
length can be entered from 1 000 - 1 100 nm.
Use one of the following options to set the wavelength of the laser used:
X Enter a value in the input field.
X Use the slider below the input field.
By entering the upper and lower limits of the precaustic, the range is
defined in which the precaustic is measured. This function is particularly
useful for measuring beams with high divergence.
This option is used to determine the z-range in which the measurement is
to be performed.
X Enter the lower limit z1 in the left field and the upper limit z2 in the
right field.
X Alternatively, use the sliders.
47
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