Theory and computation of three cosmic origin spectrograph aspheric gratings recorded with a multimode deformable mirror.
1999
The theory of three Cosmic Origin Spectrograph holographic gratings
recorded with a deformable plane mirror is presented. Their working
conditions are severe, since they have to correct the strong spherical
aberration and the field astigmatism of the Hubble Space
Telescope. Recorded on aspherized substrates, the gratings produce
images that are diffraction limited with regard to spectral
resolution.
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