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Ion Figuring of Light-Weighted Aspherical Mirrors

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Abstract

High accuracy surface figuring of light-weighted aspherical optical mirrors using conventional polishingtechniques becomes increasingly difficult with size as problems such as tool footprint, edge turndown become severe. Hence, a non-contact polishing process called “ion figuring” was evolved where in material removal is done by energetic ion bombardment. In this paper the development of an ion figuring system based on ion beam sputtering process shall be described and demonstrated with a few examples.

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Authors and Affiliations

  1. Applied Optics Area, Laboratory for Electro-Optics Systems, Peenya Industrial Estate I Stage, Bangalore, 560 058

    M. V. Hanumantha Rao, R. Venkateswaran, K. V. Sriram, P. Chakraborty & C. L. Nagendra

  2. Institute for Robotics and Intelligent Systems (IRIS), Raj Bhavan Road, Bangalore, 560 001

    Nikhil Mahale, V. C. Ravi & Satraj Singh

Authors
  1. M. V. Hanumantha Rao
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  2. R. Venkateswaran
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  3. Nikhil Mahale
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  4. V. C. Ravi
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  5. Satraj Singh
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  6. K. V. Sriram
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  7. P. Chakraborty
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  8. C. L. Nagendra
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Corresponding author

Correspondence to M. V. Hanumantha Rao.

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Rao, M.V.H., Venkateswaran, R., Mahale, N. et al. Ion Figuring of Light-Weighted Aspherical Mirrors. J Opt 37, 115–121 (2008). https://doi.org/10.1007/BF03354846

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  • DOI: https://doi.org/10.1007/BF03354846

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