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Updated: Mar 3, 2026

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Fabrication of Ultra-thin Color Films with Highly Absorbing Media Using Oblique Angle Deposition
Published on: August 29, 2017
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Induced axial and lateral color surface contributions.
Summary
This study introduces a formula to analyze second-order color aberrations in optical systems. It differentiates between intrinsic and induced aberrations, aiding in the optimization of lens designs for better performance.
Area of Science:
- Optical Engineering
- Aberration Theory
- Lens Design
Background:
- Induced aberrations are higher-order aberrations stemming from lower-order ray perturbations in optical systems.
- Color aberrations can exhibit induced influences as early as the second order, originating from first-order axial and lateral color.
- Understanding lens contributions is crucial for optimizing optical system performance.
Purpose of the Study:
- To derive and discuss a formula for the surface contribution of axial and lateral color, including second-order terms.
- To differentiate between intrinsic and induced parts of these color aberrations.
- To demonstrate the deduction of a thick-lens contribution of the second order.
Main Methods:
- Surface-by-surface analysis of optical designs to identify performance-dominating lenses.
- Derivation of a formula for second-order axial and lateral color contributions.
- Application of the Seidel concept, utilizing paraxial marginal and chief rays of the primary wavelength.
Main Results:
- A novel formula for surface contributions of axial and lateral color, incorporating second-order terms, has been developed.
- The method successfully distinguishes between intrinsic and induced aberration components.
- The approach allows for the calculation of second-order thick-lens contributions.
Conclusions:
- The derived formula provides a valuable tool for analyzing and understanding second-order color aberrations in optical systems.
- This method aids in identifying and optimizing lenses that significantly impact system performance.
- The Seidel-based approach offers a comprehensive framework for aberration analysis in lens design.
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