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physical object > artifact > device > instrument > optical device > wavefront modifier > atmospheric dispersion corrector |
atmospheric dispersion corrector comparison table |
Subject | has wavefront modification | has definition | is a kind of |
---|---|---|---|
wavefront modifier | shape, polarization or wavelength | A device which modifies the wavefront shape, polarization or wavelength | optical device |
atmospheric dispersion corrector | wavelength | An optical device usually comprising two thin prisms which can rotate to compensate for the elongation of a star image caused by the wavelength dependence of the refractive index of air. | wavefront modifier |
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