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Alignment turning is an efficient process to streamline the production of mounted objective lenses. By machining the mount with respect to the optical axis, the objective lens can be assembled to high precision without further adjustment. High precision objective lenses can be built by drop-in assembly. But even four decades since inception, there are challenging applications. Aspheric lenses, large lenses and single micron tolerances require suitable pre- and post-processes to use this technology efficiently in mid- and large-scale production.
This paper presents different manufacturing processes tailored for microscope and semiconductor markets. Challenges in the opto-mechanical design are analyzed and modern solutions are presented.
Christian Buss
"Sub-cell turning of mounted lenses for cost-efficient production", Proc. SPIE 11889, Optifab 2021, 118890Y (28 October 2021); https://doi.org/10.1117/12.2602813
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Christian Buss, "Sub-cell turning of mounted lenses for cost-efficient production," Proc. SPIE 11889, Optifab 2021, 118890Y (28 October 2021); https://doi.org/10.1117/12.2602813