Light analysis

N3935A, Optical spectrum analizer 1450-1650 nm, Agilent

Features and applications:

Graphical display and results table
Automated signal find and wavelength location
Automated channel fault detection and documentation
Automated OSNR measurement
Single button, fast data acquisition
Real-time (continuous) and average measurements
User defined soft keys
Pass/Fail test analysis with user defined limits
Display up to 12 DWDM spectrums for comparison
Minimum data point spacing 0.005 nm
Multi user profile setting

General Characteristics:

Wavelength Range: 1450 nm to 1650 nm
Maximum Number of Simultaneous Channels: 256
Maximum Number of Sampling Points: 40000

Optical Performance:

Wavelength Related Parameters:

Resolution Bandwidth (FWHM): ≤ 100 pm
Absolute Uncertainty: ±0.03 nm
Relative Uncertainty: ± 0.02 nm
Scanning Resolution: 0.005 nm

Power Related Parameters:

Absolute Uncertainty: ± 0.3 dB
Relative Uncertainty (versus λ): ± 0.2 dB
Linearity (versus power): ± 0.1 dB
Power uncertainty due to polarization: ± 0.05 dB
Readout Resolution: 0.01 dB
Optical Rejection Ratio:  45 dBc @ 100 GHz
                                             40 dBc @ 50 GHz
                                          ≥35 dBc @ 25 GHz
Power Noise Level (RMS): -70 dBm
Maximum Safe Input Power: +30 dBm
Return Loss: > 40 dB

Optical interfaces:

Output connector: optional FC/PC, DIN 47256, ST, FC/APC, SC, E2000, LC, MU. All are user-exchangeable.