Abstract
Complex surfaces such as aspheric and freeform surfaces have advantages over conventional spherical surfaces in imaging and non-imaging applications. The use of aspheric and freeform surfaces in the optical system provides more degrees of freedom to the optical designer for better control of aberrations and allows one to develop compact and light-weight systems. The success of aspheric and freeform fabrication depends on capability of machine, techniques of metrology procedures and a feedback mechanism for optimizing the manufacturing process. An overview of manufacturing trends for precision optics is presented here with technological transformation from conventional to modern CNC based manufacturing which are suitable for aspheric and freeform fabrication.
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Ghosh, A. (2021). Trends in Manufacturing for Aspheric and Freeform Optics. In: Singh, K., Gupta, A.K., Khare, S., Dixit, N., Pant, K. (eds) ICOL-2019. Springer Proceedings in Physics, vol 258. Springer, Singapore. https://doi.org/10.1007/978-981-15-9259-1_1
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DOI: https://doi.org/10.1007/978-981-15-9259-1_1
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