Latest advances in the design and manufacture of large-diameter diffractive and aspheric silicon elements for IR lens assemblies

Nissim Asida; Baruch Ben-Menachem

doi:10.1117/12.453563

23 January 2003 Latest advances in the design and manufacture of large-diameter diffractive and aspheric silicon elements for IR lens assemblies

Nissim Asida, Baruch Ben-Menachem

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Proceedings Volume 4820, Infrared Technology and Applications XXVIII; (2003) https://doi.org/10.1117/12.453563
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

The use of large diameter diffractive and aspheric Silicon elements for 3-5μ IR lens assemblies have many advantages for the user, such as low weight and ow raw material costs. However, difficulties in diamond turning large diameter Silicon lenses, resulting in low quality optical surfaces and high manufacturing costs, practically prevented the use of these elements. Recent advances in diamond turning manufacturing and measurements technologies enable now the design and manufacture of large diameter diffractive and aspheric Silicon elements with high optical quality and reasonable costs. We will present some lens designs and measured performance of these Silicon elements.

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Nissim Asida and Baruch Ben-Menachem "Latest advances in the design and manufacture of large-diameter diffractive and aspheric silicon elements for IR lens assemblies", Proc. SPIE 4820, Infrared Technology and Applications XXVIII, (23 January 2003); https://doi.org/10.1117/12.453563

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