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Fizeau interferometer News
Pushing the Limits of Interferometric Testing
Oct 30, 2017 — Laser interferometers have come a long way in the last 40 years. At 76 million independent surface image points per second in phase-shifting mode, the latest in laser interferometer instrumentation delivers extreme levels of surface characterization. By comparison, the first phase-shifting interferometers in the 1970s measured at a rate of only 512 points per second. These advances in surface visualization capability coincide with ever-increasing metrology requirements. High-performance
Mahr Expands Optical Metrology Offerings with ESDI Acquisition
GÖTTINGEN, Germany, June 10, 2015 — Continuing its push into the optical metrology market, Mahr GmbH has acquired Engineering Synthesis Design Inc. (ESDI) of Tucson, Ariz. Terms of the deal were not disclosed. ESDI develops Fizeau interferometers and software for surface and wavefront...
Aspheres Deal with Bigger Deviations
Jul 1, 2012 — New tools and the integration of measurement capabilities into design software are helping to solve problems – and scientists in academic and government laboratories are researching tomorrow’s solutions. Aspheres are increasingly used...
High-Throughput Measurement Speeds Production of Large Optics
May 10, 2010 — Dynamic laser interferometry is an established technique for measuring optical-grade surfaces in the presence of vibration and air turbulence. Unlike traditional laser interferometry, dynamic interferometry does not require expensive vibration...
Outsourcing: A Growing Trend for Optomechanical Assemblies
Apr 1, 2004 — One area of the optics industry that continues to experience growth is that of precision optomechanical assemblies. This trend runs in parallel with increased reliance on more sophisticated laser-based instrumentation, which places extreme demands...
(5 results found)
May 2024
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