Journal
Scientific and technical journal «Priborostroenie»
UDK681.7
Issue:6 (52)
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CHROMATIC PROPERTIES OF MANGIN MIRROR OBJECTIVE IN SEVERAL RANGES OF A SPECTRUM
Annotation
Zinc selenide catadioptric lenses for 0,5—12 μm range are considered. Analysis of chromatic properties of Mangin mirror simultaneously in both visible and thermovision (3—5 and 8—12 μm) spectral ranges are carried out for various combinations of construction parameters. Plots of chromatic sums vs width and curvature radius of optical surfaces are presented. Areas of minimal variation of chromatic sums with construction parameters are determined for the best compensation of chromatic aberrations in the system of ”collecting lens with Mangin mirror + meniscus“.
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