1 December 1991 Differential coating objective
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Abstract
A novel concept on the construction of high-resolution objectives is outlined. Although similar to binary optics technology, this approach brings additional degrees of freedom to the optical design as far as achieving a finer balance of phase curvature via refractive properties and relative thickness of the multilayer stack. The differential coating objective can be used in conjunction with diffractive surfaces to optimize the transmission efficiency and control the secondary spectrum correction. The basic equations describing the monochromatic and three- color achromat predesign are presented.
© (1991) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ervin Goldfain, "Differential coating objective", Proc. SPIE 1527, Current Developments in Optical Design and Optical Engineering, (1 December 1991); doi: 10.1117/12.48644; https://doi.org/10.1117/12.48644
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