MKS Instruments has unveiled two new models of the Ophir BeamSquared M2 beam propagation analyzers at SPIE Photonics West 2025. The BeamSquared SP204S-PRO and BeamSquared SP1203 are designed to provide manufacturers in the semiconductor, display, and medical technology industries, as well as in defense and industrial manufacturing, with more precise laser beam characterization.
The BeamSquared SP204S-PRO is a compact, fully automated analyzer for measuring the beam propagation of continuous wave (CW) and pulsed lasers with extended Rayleigh ranges of up to 40 meters. It has been specifically developed for production environments requiring precise measurement of beam parameters such as M2 value, focal position, astigmatism, and beam symmetry. Improved focal position measurement accuracy and a 3% astigmatism accuracy aim to enhance quality control in high-precision applications.
Additionally, MKS Instruments has introduced the BeamSquared SP1203, which is equipped with an Ophir SP1203 GigE beam profiler. This model measures smaller beam diameters down to 150 µm in the SWIR and NIR range with extended Rayleigh lengths. This enables more precise focusing for applications in telecommunications, additive manufacturing, LiDAR systems for autonomous vehicles, and medical technology.
“The evolution of advanced laser systems has prompted top manufacturers to seek more accurate ways to validate performance for demanding customer applications,” said Reuven Silverman, General Manager, Ophir Photonics Products. “Manufacturers were dealing with large errors in astigmatism and waist location measurements, as well as quality control over the UV to NIR spectrum. The new BeamSquared M2 analyzers address these concerns. They deliver the most accurate products on the market, combining ISO 11146 compliance, accurate beam caustic measurements, and expanded laser characterization features. This allows continuous process manufacturers to tune lasers with optimal precision and reliability.”
The BeamSquared analyzers use an optical measurement unit, high-resolution cameras, and UltraCal calibration software for precise beam propagation analysis. The software measures various parameters, including beam diameter, divergence, focal position, Rayleigh length, M2 or K and BPP values, astigmatism, and asymmetry. It generates 2D and 3D beam profiles for visual verification of beam behavior. Additional features include a 3D slice display and the ability to incorporate beam propagation diagrams and measurement statistics into reports.
The devices can be mounted both horizontally and vertically to optimize workspace usage. The BeamSquared SP204S-PRO models feature specially calibrated lenses optimized for long Rayleigh ranges, accurately capturing large beam diameters with extended focal positions. These technological advancements are expected to enhance process optimization in continuous laser production.
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