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5-3
Performance Tests
Test 1. Absolute Wavelength Accuracy
Test 1. Absolute Wavelength Accuracy
Description Wavelength accuracy is verified using traceable light sources such as
the following devices:
•Stable lasers
• Gas lamps
•HeNe gas lasers
CAUTION Do not exceed +18 dBm source power. The Agilent 86120C’s input circuitry can
be damaged when total input power exceeds 18 dBm.
Procedure Use three or four light standards that cover the Agilent 86120C’s
wavelength range. Connect the traceable sources to the Agilent 86120C
and verify that the Agilent 86120C is reading the sources to within the
absolute wavelength accuracy specification.