Designing a thermal imaging system with hybrid diffractive-refractive lenses

Yoel Blumenfeld; Yaakov Amitai

doi:10.1117/12.281403

22 September 1997 Designing a thermal imaging system with hybrid diffractive-refractive lenses

Yoel Blumenfeld, Yaakov Amitai

Proceedings Volume 3110, 10th Meeting on Optical Engineering in Israel; (1997) https://doi.org/10.1117/12.281403
Event: 10th Meeting on Optical Engineering in Israel, 1997, Jerusalem, Israel

Abstract

A new design of a thermal imaging system which incorporates diffractive surfaces in order to enhance system performance is presented. The problem of the drastic vignetting, typical of Galilean telescopes, is solved by using a Keplerian telescope with a very small f-number (approximately 0.7). In addition, several other aspects of design, manufacturing and tolerancing are discussed.

Citation Download Citation

Yoel Blumenfeld and Yaakov Amitai "Designing a thermal imaging system with hybrid diffractive-refractive lenses", Proc. SPIE 3110, 10th Meeting on Optical Engineering in Israel, (22 September 1997); https://doi.org/10.1117/12.281403

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