Hybrid refractive-diffractive lens for manufacture by diamond turning

Andrew P. Wood

doi:10.1117/12.57750

1 April 1992 Hybrid refractive-diffractive lens for manufacture by diamond turning

Andrew P. Wood

Proceedings Volume 1573, Commercial Applications of Precision Manufacturing at the Sub-Micron Level; (1992) https://doi.org/10.1117/12.57750
Event: SIRA, 1991, London, United Kingdom

Abstract

The potential advantages of hybrid refractive-diffractive elements in infrared systems are reviewed. It is shown that these advantages can be realized in practice by single point diamond turning. Indeed, their manufacture by this process is no more complex in principle than making conventional aspherics which is a well-established technology. The design and manufacture of a zinc sulphide hybrid lens for the 3 - 5 micron waveband is described.

Citation Download Citation

Andrew P. Wood "Hybrid refractive-diffractive lens for manufacture by diamond turning", Proc. SPIE 1573, Commercial Applications of Precision Manufacturing at the Sub-Micron Level, (1 April 1992); https://doi.org/10.1117/12.57750

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