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15 February 2022 Research on molding of chalcogenide glass diffractive optical element
Yunlong Zhang, Zhibin Wang, Feng Zhang, Junqi Li, Zheng Zhang
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Proceedings Volume 12166, Seventh Asia Pacific Conference on Optics Manufacture and 2021 International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2021); 1216651 (2022) https://doi.org/10.1117/12.2617417
Event: Seventh Asia Pacific Conference on Optics Manufacture and 2021 International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2021), 2021, Hong Kong, Hong Kong
Abstract
Diffractive optical elements are widely used in optical systems due to their excellent dispersion characteristics. Precision molding technology is an effective way to solve mass optical processing. Based on the precise molding of the chalcogenide glass diffractive optics, in this paper microstructure filling and process parameter sensitivity of diffractive optical elements are analyzed. The research results show that the use of appropriate process parameters can ensure the filling of diffractive microstructures. The cooling rate in the slow cooling stage is the most important factor affecting the surface shape.
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Yunlong Zhang, Zhibin Wang, Feng Zhang, Junqi Li, and Zheng Zhang "Research on molding of chalcogenide glass diffractive optical element", Proc. SPIE 12166, Seventh Asia Pacific Conference on Optics Manufacture and 2021 International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2021), 1216651 (15 February 2022); https://doi.org/10.1117/12.2617417
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KEYWORDS
Precision glass molding
Diffractive optical elements
Chalcogenide glass
Glass molding
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