Sapphire Cutting with Pulsed Fiber Lasers

By Christoph Ruettimann, Noémie Dury and Markus Danner With almost 40 years of experience in precision processing of synthetic crystalline materials, Swiss laser manufacturer ROFIN-LASAG AG has developed a process for cutting sapphire glass, which is now increasingly used in mobile electronic devices and high-quality mechanical watches. Synthetic sapphire is a mono-crystalline aluminum oxide with […]

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Regulatory Science and Laser Safety Research at the FDA

By Daniel X. Hammer, William Calhoun, Do-Hyun Kim, Robert James, Ilko K. Ilev and Victor Krauthamer The Food and Drug Administration’s Center for Devices and Radiological Health (FDA/CDRH) regulates medical devices and radiological products in the US. We approve new devices that are deemed to be safe and effective and clear for sale devices which […]

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