Abstract
Aspheric surfaces are the desired surfaces for an optical designer due to their ability to control aberration effects using less number of surfaces. Traditional full aperture polishing methods are not suitable for aspheric surface polishing. The present paper describes the sub aperture polishing of aspheric surface in Fused Silica using dwell time approach. The linear feed rate has been optimized to produce optical quality surface finish using less number of iterations. The surface characterization is done using stylus profilometer and optical profilometer.
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References
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Acknowledgments
Authors are thankful to Dr. S.S. Negi, Director, IRDE for his support and encouragement for the work. Authors are also thankful to Sh. S.P. Gaba, Scientist-‘G’, for his valuable suggestions.
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Pandey, N., Kumar, A., Pant, K.K., Kumar, V., Ghosh, A. (2015). Sub Aperture Polishing of Fused Silica Aspheric Surface Using Dwell Time Approach. In: Lakshminarayanan, V., Bhattacharya, I. (eds) Advances in Optical Science and Engineering. Springer Proceedings in Physics, vol 166. Springer, New Delhi. https://doi.org/10.1007/978-81-322-2367-2_60
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DOI: https://doi.org/10.1007/978-81-322-2367-2_60
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Publisher Name: Springer, New Delhi
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Online ISBN: 978-81-322-2367-2
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