The AQ6374E Wide Range Optical Spectrum Analyzer from Yokogawa Test&Measurement covers wavelengths from 350 to 1750 nm, including visible light (380 - 780 nm) and telecommunication wavelengths.

• 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 (λ_PK ±1 nm)
• Sensitivity: -80 dBm (900 - 1600 nm), -70 dBm (400 - 900 nm)