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The Ando AQ4320B Tunable Laser Source Specifications. Wavelength range: 1500 to 1580nm. Wavelength set resolution: 0.001nm. Absolute wavelength accuracy: ±0.1nm. Relative wavelength accuracy: ±0.035nm (typ.). Wavelength stability: ±100MHz/hr (±0.8pm/hr) (typ.). Spectral width (Narrow): 1MHz or less, 200kHz (typ.). Spectral width (Wide): 200MHz or more. Side-Mode Suppression Ratio: 70dB or more/80dB (typ.). Optical output level (1550nm): -3dBm or more. Settable optical output range: 20dB or more (0.1dB steps). Optical output stability: 5 min, ±0.01dB or less; 1 hr, ±0.05dB or less; 8 hr, ±0.3dB or less. Optical output accuracy: ±1dB or less. Optical output reproducibility: ±0.04dB. Optical output level flatness: ±0.1dB. RIN: -145dB/Hz (typ.). Internal modulation (CHOP): Set frequency 0.2 to 300kHz; Set resolution 10Hz, 100Hz, 1kHz, 10kHz, 100kHz. External modulation (CHOP): Set frequency 0.2 to 300kHz. Direct modulation: Modulation frequency 100kHz to 300MHz; Modulation rate 5% or less; Modulation input level 0dBm or less. Wavelength sweep speed: 100nm/sec (Max.). Applicable optical fiber: SMF (10/125µm).
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