4.5. Using the software
CAUTION!
Do not switch the laser ON if the device is not
adjusted properly, it may damage or destroy optical
elements.
Launch LPA program using LPA icon on the desktop.
4.5.1. Connection
10. Device selector window will appear. Select COM port (to
which the rotator is connected) from the drop down
menu. Press “
Connect
” to connect the device or
“
Rescan
” if your device is not visible.
Select “
Filter
” when device is connected via USB cable.
All other COM ports will be hidden except our device.
NOTE:
When connecting via RS232 cable “Filter” must
be deselected, otherwise device will not be visible.
NOTE:
Rotator will be seen as MROxxx (for ex.
MRO001)
4.5.2. Settings, calibration
11. Using rotator for the first time the calibration is required.
The information window will appear:
12. For MRO calibration, move your mouse to the left side
of the window on a gear symbol from the sliding menu
and select “Settings”. Settings menu will appear:
13. To succeed calibration please follow calibration steps:
1.Choose device’s mode (rotator by default)
NOTE:
Polariser is necessary for attenuator mode.
2. Set default settings
3. Home device
4. Find required position by rotating the waveplate (it
will be defined as 0 degree)
5. Set current position as 0 deg.
6. Choose alternative measurement units if
necessary (radians are by default)
7. Select procedure after each homing:
LPA
10
