HST Cosmic Origin Spectrograph: a multimode deformable plane mirror for recording upgraded resolution concave gratings

Michel Duban; Kjetil Dohlen; Gerard R. Lemaitre

doi:10.1117/12.324462

28 August 1998 HST Cosmic Origin Spectrograph: a multimode deformable plane mirror for recording upgraded resolution concave gratings

Michel Duban, Kjetil Dohlen, Gerard R. Lemaitre

Author Affiliations +

Proceedings Volume 3356, Space Telescopes and Instruments V; (1998) https://doi.org/10.1117/12.324462
Event: Astronomical Telescopes and Instrumentation, 1998, Kona, HI, United States

Abstract

To illustrate the efficiency of using of a multi-mode deformable plane mirror to record holographic gratings we have computed the three gratings for the Cosmic Origin Spectrograph. Their working conditions are severe, since they have to correct the residual spherical aberration of the HST. Nevertheless, all the images obtained are largely diffraction-limited with regard to the resolution.

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Michel Duban, Kjetil Dohlen, and Gerard R. Lemaitre "HST Cosmic Origin Spectrograph: a multimode deformable plane mirror for recording upgraded resolution concave gratings", Proc. SPIE 3356, Space Telescopes and Instruments V, (28 August 1998); https://doi.org/10.1117/12.324462

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