KINOFORM OPTICAL ELEMENTS IN OPTICAL SYSTEM DESIGN OVER A WIDE SPECTRAL RANGE
M. A. Gan and I. I. Bogatyreva
Abstract:
The paper uses KE as an acronym for kinoform optical element, and considers the design of KE-based apochromatic high-resolution systems for use over a wide spectral range. The aberrational and dispersional properties of KEs and ordinary optical elements are compared. It is demonstrated that combining two regular grades of glass with a KE leads not only to apochromatic correction but can also correct for monochromatic aberrations and the secondary spectrum, as well as for spherochromatism, provided the isoplanatic condition is obeyed. Design methodology and philosophy are discussed for KE-based apochromat-anastigmats that have 30-50% smaller masses than similar systems built around more usual optical elements
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