Exfo FTB -5240S/5240BP Optical Spectrum Analyzer for FT Instrukcja Użytkownika Pobierz pdf (Strona 31)

100

101

Preparing Your Optical Spectrum Analyzer for a Test

Optical Spectrum Analyzer 23

Performing User Calibration

Calibrating your module can help you achieve better results. It is

particularly important when the measurement accuracy is critical or when

your OSA has experienced unusual shock or vibrations. To reach the

highest possible accuracy, you can perform a wavelength or power

calibration. Your OSA allows you to modify and read the user calibration

values, revert to the factory calibration, load and save the modified user

calibration file. The user configuration file (*.txt) contains the reference

and modified wavelength and power values.

You can perform user calibration for all tests modes. Select a test mode as

explained in Selecting a Test Mode on page 18, and follow the procedures

mentioned below for performing user calibration.

Note: The procedure for performing user calibration is the same for all test

modes. The procedure is explained with WDM mode only in this document.

IMPORTANT

For optimal results, you must allow a minimum warm up period of

two hours for your Optical Spectrum Analyzer before performing

user calibration.

IMPORTANT

The correction factor list must be cleared before making new

calibration measurements. If calibration measurements are made

when user correction factors are inside the module, they will affect

the measurements and the calibration results will be inapplicable.

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