User`s guide

Tunable Laser Module Specifications Specifications
Agilent 81689A, 81689B and 81649A Tunable Laser Modules User’s Guide, Third Edition 41
Tunable Laser Module
Specifications
Agilent 81689A Agilent 81689B Agilent 81649A
Wavelength range
1525 nm to 1575 nm 1525 nm to 1575 nm 1570 nm to 1620 nm
Wavelength resolution
0.01 nm, 1.25 GHz at 1550 nm 0.01 nm, 1.25 GHz at 1550 nm 0.01 nm, 1.17 GHz at 1595 nm
Absolute wavelength accuracy (typ.)
1
± 0.3 nm ± 0.3 nm ± 0.3 nm
Relative wavelength accuracy
1
± 0.3 nm ± 0.15 nm ± 0.15 nm
Wavelength repeatability
1
± 0.05 nm ± 0.05 nm ± 0.05 nm
Wavelength stability
1
typ, over 24 h at constant temperature:
± 0.02 nm ± 0.01 nm ± 0.01 nm
typ, over 1 h at constant temperature:
± 0.005 nm ± 0.005 nm
Tuning speed (typ.)
<10sec/50nm <10sec/50nm <10sec/50nm
Linewidth (typ.)
2
20 MHz < 20 MHz < 20 MHz
with Coherence Control ON (typ.)
2
- - > 100 MHz > 100 MHz
Output power
(continuous power on during tuning)
≥ 6 dBm (1525 - 1575 nm) ≥ 10 dBm (1525 - 1575 nm) ≥ 6dBm(1570-1620nm)
Minimum output power
− 3dBm 0dBm − 3dBm
Power stability
(at constant temperature)
3
± 0.03 dB over1 hour ± 0.015 dB over 1 hour, ± 0.015 dB over 1 hour,
typ. ± 0.0075 dB over 1 hour, typ. ± 0.0075 dB over 1 hour,
typ. ± 0.06 dB over 24 hours typ. ± 0.05 dB over 24 hours typ. ± 0.05 dB over 24 hours
Power repeatability (typ.)
3
± 0.02 dB ± 0.02 dB ± 0.02 dB
Power linearity
± 0.1 dB ± 0.1 dB ± 0.1 dB
Power flatness versus wavelength
± 0.3 dB ± 0.2 dB ± 0.2 dB
Side-mode Suppression ratio (typ.)
2
>40dBc
(1525-1575nm at 0dBm)
>45dBc
(1525 - 1575 nm at ≥ 3dBm)
>45dBc
(1570 - 1620 nm at ≥ 0dBm)
Signal-to-Source Spontaneous
Emission Ratio (typ.)
4
≥ 39 dB/nm
(1525-1575nm at 6dBm)
≥ 44 dB/nm
(1525 - 1575 nm at 10 dBm)
≥ 42 dB/nm
(1570 - 1620 nm at 6 dBm)