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- W2382936239 abstract "In this paper,a new method was proposed to design middle F number and small field apochromatic optical systems with proper glass and a refractive structure in a wide waveband from 0.4 to 2.5μm.The arithmetic of the triplet lens' initial configuration based on the PWC method was discussed.A new method which could choose the appropriate glass from catalog to eliminate the chromatic very well was discussed.It was composed with the arithmetic and the calculation of longitudinal aberration and spherochromatism.The defocus was reduced to the 1/3 compared with the results calculated by the classic methods.Two examples were presented in details,one was a relay lens with work F/10,the other was a telescope with F/4.5,both systems were apochromatic in the wavelengths of 0.4μm,1.0μm and 2.5μm.The MTF was within the diffraction limit.So it was demonstrated that usual optical glass could be used to design the middle F number and small field apochromatic optical system with the wide waveband from 0.4 to 2.5μm." @default.
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- W2382936239 date "2009-01-01" @default.
- W2382936239 modified "2023-09-23" @default.
- W2382936239 title "Wide waveband apochromatic optical systems design based on PWC method" @default.
- W2382936239 hasPublicationYear "2009" @default.
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