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4-8
Programming
Making Measurements
Table 4-1. Commands for Capturing Data
Desired
Measurement
Command to Configure Measurement
(partial listing)
Command to Query Data
Wavelength (nm) CONFigure, FETCh, READ, and MEASure MEASure:ARRay:POWer:WAVelength?
Frequency (THz) CONFigure, FETCh, READ, and MEASure MEASure:ARRay:POWer:FREQuency?
Wavenumber (m
–1
)
CONFigure, FETCh, READ, and MEASure MEASure:ARRay:POWer:WNUMber?
Coherence Length (m) CONFigure, FETCh, READ, and MEASure FETCh, READ, or MEASure
Power (W, dBm) CONFigure, FETCh, READ, and MEASure MEASure:ARRay:POWer?
Average Wavelength,
Wavenumber, or Frequency
CALCulate2:PWAVerage:STATe CALCulate2:DATA?
Total Power (W, dBm) CALCulate2:PWAVerage:STATe CALCulate2:DATA?
Laser-Line Separation CALCulate3:DELTa:REFerence CALCulate3:DATA?
Laser-Line Drift CALCulate3:DRIFt:STATe CALCulate3:DATA?
Signal-to-Noise Ratio CALCulate3:SNR:STATe CALCulate3:DATA?
Signal-to-Noise Ratio Average CALCulate3:ASNR:STATe CALCulate3:DATA?
Time-Domain Data CALCulate1:TRANsform:FREQuency:POINts SENSe:DATA?
Corrected Frequency Domain Data CALCulate1:TRANsform:FREQuency:POINts CALCulate2:DATA?
Uncorrected Frequency Domain
Data
CALCulate1:TRANsform:FREQuency:POINts CALCulate1:DATA?