Name：YOKOGAWA AQ6374E

World-Class Optical Performance Wide dynamic range: 60dB (peak ±1.0 nm) Wide level range: +20 to -80dBm Fast measurement: 0.5 sec. (100 nm span) Wide wavelength range: 350 - 1750 nm High wavelength resolution: 0.05 nm (full wavelength range) High wavelength accuracy: ±0.05 nm (633/1523 nm), ±0.2 nm (350 - 1750 nm) Close-in dynamic range: 60 dB (λPK ±1 nm) Sensitivity: -80 dBm (900 - 1600 nm), -70 dBm (400 - 900 nm)