Color and spatial aplanatism for corrected holographic gratings

Reiner Güther

doi:10.1117/12.142829

15 April 1993 Color and spatial aplanatism for corrected holographic gratings

Reiner Güther

Proceedings Volume 1780, Lens and Optical Systems Design; 17800Z (1993) https://doi.org/10.1117/12.142829
Event: Optical Systems Design '92, 1992, Berlin, Germany

Abstract

Image plane in devices with dispersion contains a spatial coordinate and a wavelength coordinate. For the wavelength coordinate we define chromatic aplanatism in analogy with usual aplanatism. The feasibility of this definition is tested by ray tracing. A condition for color aplanatism is derived which can be used for the construction of color aplanatic surfaces. In the neighborhood of a color aplanatic point we find a very high spectral resolution in combination with a high aperture. In some cases of color aplanatism spatial aplanatism occurs along the spatial coordinate of imaging. This additional aplanatism can be a starting point for a combination of spatial with spectral resolution. This new task is interesting for remote sensing from satellites. We give variants of gratings with spectral aplanatism and with spatial resolution.

Citation Download Citation

Reiner Güther "Color and spatial aplanatism for corrected holographic gratings", Proc. SPIE 1780, Lens and Optical Systems Design, 17800Z (15 April 1993); https://doi.org/10.1117/12.142829

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