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Diffractive Optical Elements: Minimizing Zero Order

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New design and manufacturing techniques allow for challenging configurations of beamsplitters and diffractive axicon beam shapers.

SHLOMIT KATZ, NATAN KAPLAN AND ISRAEL GROSSINGER, HOLO/OR LTD.

Over the years, diffractive optics have evolved into an effective way of beam shaping and splitting. Their advantages over refractive optics are well known; they’re lightweight and compact and can be integrated easily into optical systems. They also can perform several optical functions in a single element. Recent advances in diffractive optical elements (DOEs) have made them a standard component in laser material processing, medical and aesthetic lasers, and structured light projection systems. Diffractive optical elements made of zinc selenide glass. Courtesy of Holo/Or Ltd....Read full article

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