Affiliation:
1. University of Chinese Academy of Sciences
Abstract
It is important to determine
the ideal combination of housing materials, groups of refractive
materials, and their optical powers for athermalizing achromatic and
apochromatic optical systems. This study proposes
a combined design approach
that utilizes three or more glass types to resolve thermal aberrations
and defocus achromatic and apochromatic optical systems. It selects a
suitable glass type using a 3D glass chart and calculates the optical
power analytically. Furthermore, a temperature-insensitive optical
system with a 450–750 nm band based on refractive materials
(CDGM Glass Co., Ltd.) is designed, with the modular transfer function
value of the center field of view decreasing by less than 0.024 in the
temperature range of −40∘C to +80∘C and the secondary spectrum aberration
decreasing by over three times and being maintained within
0.08 mm.
Funder
Ministry of Science and Technology of the
People’s Republic of China
Subject
Atomic and Molecular Physics, and Optics,Engineering (miscellaneous),Electrical and Electronic Engineering
Cited by
1 articles.
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