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Chapter 8:
Homogeneous Hybrid Optical Systems
Book: Optics of Diffractive and Gradient-Index Elements and Systems
Author(s): Grigoriy I. Greisukh, Sergei T. Bobrov, Sergei A. Stepanov
Published: 1997
https://doi.org/10.1117/3.2570044.ch8
Abstract
It was shown in Chap. 7 that the correction capabilities of diffractive optical systems in the field of monochromatic aberrations are very wide. Simple objectives (doublets and triplets) based on diffractive lenses proved to be able to compete with complex multicomponent conventional monochromatic objectives by their aberration properties. Yet there are two important drawbacks inherent in diffractive systems that limit the field of their applications. The first is that a high objective luminous transmittance cannot be provided if the structure of the DLs used in the objective has a high spatial frequency. This is due to the existing technological level of DL production (see Chap. 10). The second is that the high axial color of DLs excludes the possibility of operation with non-monochromatic light sources and it cannot be eliminated in principle.
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CHAPTER 8
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