Infrared hybrid optics with high broadband efficiency

Andrew Wood; Mane-Si Laure Lee; Simone Cassette

doi:10.1117/12.614568

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25 August 2005 Infrared hybrid optics with high broadband efficiency

Andrew Wood, Mane-Si Laure Lee, Simone Cassette

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Proceedings Volume 5874, Current Developments in Lens Design and Optical Engineering VI; 58740G (2005) https://doi.org/10.1117/12.614568
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

Hybrid refractive-diffractive optics are widely used in infrared systems, but their performance is limited by reduced diffraction efficiency away from the design wavelength. Two techniques are currently being investigated to improve broadband efficiency; dual-layer blaze structures and blazed-binary optics. This paper discusses the design of dual-layer blaze structures in detail, and presents some athermalised lenses which benefit from this approach. A brief summary of using blazed-binary structures to improve efficiency is presented.

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Andrew Wood, Mane-Si Laure Lee, and Simone Cassette "Infrared hybrid optics with high broadband efficiency", Proc. SPIE 5874, Current Developments in Lens Design and Optical Engineering VI, 58740G (25 August 2005); https://doi.org/10.1117/12.614568

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