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The Keysight 81607A tunable laser module offers a typical wavelength repeatability of ±1 pm even during two-way sweeps with up to 200 nm/s, it is ideal for high-throughput test and automated adjustment of passive optical components. A signal-to-SSE ratio of 75 dB/nm, enabled by the new cavity and laser module design, provides an excellent isolation measurement range for the most demanding optical components.
Specifications. Wavelength range: 1490 nm to 1640 nm (Option 116). Wavelength resolution: 0.1 pm, 12.5 MHz at 1550 nm. Continuous sweep range: Full wavelength range. Maximum sweep speed: 200 nm/s, bidirectional. Wavelength stability (typical): ≤ ±1 pm, 24 hours. Linewidth (typical): <10 kHz. Maximum output power (continuous power during sweep): > +8 dBm peak (typical). Side-mode suppression ratio (typical): ≥ 65 dB (1515 nm - 1620 nm, max. output power). Relative intensity noise (RIN) (0.1 - 6 GHz): < -135 dB/Hz (typical, 1515 nm - 1620 nm, max. output power). Signal to source spontaneous emission ratio: ≥ 75 dB/nm, ≥ 85 dB/0.1 nm. Signal to total source spontaneous emission ratio: ≥ 70 dB. Absolute wavelength accuracy: ±5 pm; typ. ±3 pm (Stepped mode), ±3 pm (Continuous sweep mode, both directions (typical)). Relative wavelength accuracy: ±3 pm; typ. ±2 pm (Stepped mode), ±2 pm (Continuous sweep mode, both directions (typical)). Wavelength repeatability: ±1.5 pm; typ. ±1 pm (Stepped mode), ±1 pm (Continuous sweep mode, both directions (typical)). Power repeatability (typical): ±0.005 dB. Power stability: ±0.01 dB (1 hour), typ. ±0.025 dB (24 hours). Power linearity: ±0.05 dB. Power flatness versus wavelength: ±0.25 dB; typical ± 0.1 dB.
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