Abstract
Chalcogenide glass (ChG), as an alternative mgeraterial in place of single-crystal germanium, is increasingly used in thermal imaging, night vision, and infrared guidance systems, etc., and microstructure array on the infrared component is widely used in micro-optical systems owing to their excellent formability through precision glass molding (PGM), which can achieve low cost and high efficiency compared with other microstructural manufacturing technologies. To describe the thermomechanical properties of ChG, the viscoelastic constitutive of ChG is modeled and used in finite element simulation to study the influence of process parameters on the forming stress. The processing parameters are studied to reduce the occurrence of microdimples and optimize the molding conditions. Finally, microstructure arrays are molded using spherical ChG preform and the optimal molding materials are identified.
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Zhou, T. (2018). Precision Molding of Microstructures on Chalcogenide Glass for Infrared Optics. In: Yan, J. (eds) Micro and Nano Fabrication Technology. Micro/Nano Technologies. Springer, Singapore. https://doi.org/10.1007/978-981-13-0098-1_20
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DOI: https://doi.org/10.1007/978-981-13-0098-1_20
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Online ISBN: 978-981-13-0098-1
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