https://cdn.gophotonics.com/news/11_639143452602896610.webp712370
Yokogawa Test & Measurement Corporation, a provider of precision measurement and optical test solutions, has developed the AQ6373E Optical Spectrum Analyzer (OSA), a high-performance instrument developed for laser characterization, passive device characterization, and advanced photonics testing applications. The OSA is designed to deliver high wavelength accuracy, fast spectral acquisition, and broad optical measurement capabilities for research laboratories, optical communication systems, and photonics manufacturing environments.
The AQ6373E operates across a wide wavelength range from 350 nm to 1200 nm, enabling analysis across visible and near-infrared spectral regions. This broad coverage allows engineers and researchers to evaluate a diverse range of optical devices, including semiconductor lasers, ultrafast mode-locked lasers, LEDs, VCSELs, wavelength filters, and passive photonic components.
Designed for high-resolution optical analysis across the visible to near-infrared wavelength range (up to approximately 1200 nm), the instrument offers high wavelength resolution, high sensitivity, and fast measurement capabilities. These features enable precise characterization of optical spectra for a wide range of applications, including semiconductor laser evaluation, wavelength conversion analysis, and advanced research in bio-medical and quantum fields. The system supports accurate and efficient spectral characterization where fine spectral features, low signal levels, and rapid measurement throughput are essential.
The OSA’s high-speed sweep architecture enables rapid spectral measurements while maintaining stable accuracy and sensitivity. Faster acquisition speeds help reduce testing time during device development and production validation workflows, especially when evaluating multiple optical channels or performing repetitive characterization procedures. The AQ6373E also features a wide dynamic range and low stray-light performance, allowing accurate measurement of both strong and weak optical signals within the same spectrum. This capability supports precise analysis of laser side modes, spontaneous emission, optical noise characteristics, and low-level spectral components in advanced photonic systems.
The AQ6373E is suitable for applications such as laser source characterization, supercontinuum light source measurement, visible LED testing, pulsed light measurement, optical fiber loss wavelength characterization, fiber Bragg grating analysis, gas detection, and concentration measurement. Its combination of wide wavelength coverage, high sensitivity, and flexible measurement settings makes it a useful tool for both R&D and production test environments.