The Yokogawa AQ6380 is a premium benchtop optical spectrum analyzer (OSA) designed for high-precision measurement and analysis of optical signals in telecommunications, R&D, and manufacturing applications. It offers exceptional wavelength accuracy, high dynamic range, and fast measurement capabilities, supporting both single-mode and multimode fiber measurements. The AQ6380 is widely used for characterizing lasers, LEDs, optical amplifiers, DWDM systems, and other photonic components.