Exfo FTB -5240S/5240BP Optical Spectrum Analyzer for FT Uživatelský manuál stáhnout pdf (Strana 528)

100

101

Formulas Used with Your Optical Spectrum Analyzer

520 FTB-5240S/5240BP

Central Wavelength Calculation (Spectral Transmittance)

Central Wavelength Calculation (Spectral

Transmittance)

The central wavelength is calculated using the following equation:

Where

a is the central wavelength,

is the wavelength on the right at which the power is 3 dB below the

power at the nominal wavelength, and

is the wavelength on the left at which the power is 3 dB below the

power at the nominal wavelength.

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Exfo FTB -5240S/5240BP Optical Spectrum Analyzer for FT Uživatelský manuál Strana 528

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