Optical Spectrum Analyzer

Product Overview The Yokogawa AQ6373B is a high-performance short-wavelength optical spectrum analyzer (discontinued), designed for visible and near-infrared light testing. It is widely used for LED and visible laser diode measurement. Key Features Wavelength range: 350 nm – 1200 nm High wavelength accuracy: ±0.05 nm Ultra-high resolution: 0.01 nm (400–470 nm), 0.02–10 nm adjustable Sensitivity: −80 dBm, dynamic range: ≥60 dB Max input optical power: +20 dBm Fast scan: 0.5 seconds for 100 nm span Built-in alignment light source & CIE color analysis for LED testing Free-space optical input, supports single/multi/large-core fiber Interfaces: USB / LAN / GPIB / RS232