81640A Tunable Laser Module

Features Operates across two DWDM bands (C-band and L-band) Continuous sweep across full wavelength tuning range Low source spontaneous emission with high dynamic range High-power fiber output optimized for optical amplifier testing Built-in real-time wavelength lookup table Mode-hop-free tuning over the entire wavelength span Both optical outputs fitted with Panda-type polarization-maintaining fiber Key Specifications Wavelength Range: 1510 nm to 1640 nm Max Output Power: 4 dBm Absolute Wavelength Accuracy: ±0.015 nm Typical Wavelength Repeatability: ±0.5 pm Typical Wavelength Stability: <±1 pm Signal-to-Spontaneous Emission Ratio: ≥60 dB/nm on Output 1 (1530–1610 nm) Total Signal-to-Spontaneous Emission Ratio: ≥55 dB on Output 1 (1530–1610 nm)