HP / Keysight / Agilent 81944A Overview
Wavelength range 1525 nm to 1620 nm
Wavelength resolution 1 pm, 125 MHz at 1550 nm
Mode-hop free tunability full wavelength range
Tuning time (typ.) 50 nm/s
Absolute wavelength accuracy ±20 pm, typ. ±5 pm At day of calibration
Relative wavelength accuracy ±10 pm, typ. ±5 pm
Wavelength repeatability ±2.5 pm, typ. ±1 pm
Wavelength stability (typ., over 24 h) At const. temperature ±0.5 K ±2.5 pm
Linewidth (typ.), coherence control off 100 kHz
Effective linewidth (typ.), coherence control on at max power >50 MHz (1570 nm to 1620 nm)
Maximum output power (mean value) > +10.5 dBm typ. (1525 nm to 1620 nm)
(continuous power during tuning) > +9.5 dBm (1525 nm to 1620 nm)
Side-mode suppression ratio (typ.) at max power > 50 dB
Signal to source spontaneous emission ratio at max power > 45 dB/nm Value for 1 nm resolution bandwidth
Signal to total source spontaneous emission ratio (typ.) at max power > 25 dB
Relative intensity noise (RIN) (typ.) at max power – 145 dB/Hz (0.1 GHz to 6 GHz)
