Ophir Optronics Ltd QSR Manuel D’Utilisation
Chapter 5 – Measuring with the Photodiode Head
Additional Graphical Display Options
Figure 5-6 Adjust Calibration Factor Dialog Box
The Original area displays the original Measurement and Calibration
Factor. The Current wavelength is displayed beneath the Original area.
Factor. The Current wavelength is displayed beneath the Original area.
2. Use the Calibration Factor scroll bar to attain an accurate reading in the
Calibration Factor field in the Adjusted area.
OR
Enter the desired factor into the text box above the scroll bar.
Note: Adjusting the Calibration Factor changes the calibration of all
wavelengths by the same factor.
3. Click Save to save the adjustment for the active channel.
Additional Graphical Display Options
StarLab allows you to configure and display readings in dBm scale, and allows
you to configure and apply normalization.
you to configure and apply normalization.
Displaying Readings in dBm Scale
StarLab allows measurements to be made in units of dBm, which are
measurements in a logarithmic scale. dBm units are defined as: 10 x log (reading
in mW). At 1mW the reading will be 0dBm, at 10mW it will be 10dBm, and at
100mW it will be 20dBm, etc.
measurements in a logarithmic scale. dBm units are defined as: 10 x log (reading
in mW). At 1mW the reading will be 0dBm, at 10mW it will be 10dBm, and at
100mW it will be 20dBm, etc.
StarLab User Guide
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