Design of a compact off-axis two-mirror freeform infrared imager with a wide field of view

In this paper, as a supplement to Part I, three examples will be provided to verify our methods. In the first example of a double Gauss system, the chromatic aberrations calculated by our methods and those given by the Seidel aberrations are compared. Then we will present two examples analyzing the generalized chromatic aberrations in refractive system with freeform surfaces by our methods. The stereomicroscope is utilized to demonstrate the feasibility and consistency of both ray- and wavefront-based methods. The anamorphic imaging objective lens proves that it is necessary to consider the pupil aberration when it cannot be neglected. In both examples, the surface decomposed a full-field display of the chromatic aberrations shows us that it is a convenient and powerful tool to analyze the generalized chromatic aberrations in nonrotationally symmetric refractive optical systems.

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Design of a compact off-axis two-mirror freeform infrared imager with a wide field of view

Cited by 7 publications

References 18 publications

Optical design and fabrication of a common-aperture multispectral imaging system for integrated deep space navigation and detection

Optical design and fabrication of a common-aperture multispectral imaging system for integrated deep space navigation and detection

Optical design of off-axis reflective zoom imaging system based on wave-aberration control and focal-length approximation

Generalized chromatic aberrations in non-rotationally symmetric optical systems–Part II: applications

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