The Holowriter

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Abstract
Computer generated holograms have not been widely used for metrology and nondestructive testing because the required accuracy was beyond the state of the art and the cost of the best available hologram writer was prohibitive. Both of these barriers have now been removed. We have designed and built an adequate writer (the holowriter) and made it available at no cost (except for labor) to all workers on U.S. Government contracts. This paper describes the Holowriter design and performance.

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