The paper will provide a general overview of success and limitations of the manufacturing, polishing, and figuring of the above materials. The current status of spherical powder beryllium will also be discussed. The manufacturing techniques for creating high quality bare beryllium, sputtered beryllium and electroless nickel-plated beryllium optics will be presented. New testing methods for evaluating a test sample will also be discussed.
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William Roybal, Malcolm B. McIntosh, Howard K. Hull, "Current status of optical grade sputtered, bare beryllium, and nickel-plated beryllium," Proc. SPIE 10289, Advanced Materials for Optics and Precision Structures: A Critical Review, 102890D (28 July 1997);