Optical design of two-mirror widefield cameras for large telescopes

Paul G. Hannan; Mark E. Wilson

doi:10.1117/12.158790

1 November 1993 Optical design of two-mirror widefield cameras for large telescopes

Paul G. Hannan, Mark E. Wilson

Author Affiliations +

Proceedings Volume 1945, Space Astronomical Telescopes and Instruments II; (1993) https://doi.org/10.1117/12.158790
Event: Optical Engineering and Photonics in Aerospace Sensing, 1993, Orlando, FL, United States

Abstract

Many large optical telescopes have a wide field camera as one of their primary instruments. Camera designs with all reflective surfaces are useful because they give stable image quality over a broad spectral band. Systems with two conic mirrors can correct the residual aberrations, field curvature and astigmatism, of Ritchey-Chretien telescopes. We present first- and third-order optical design relations which can facilitate the formation of design concepts during preliminary trade studies. We apply the relations to the Hubble Space Telescope in the design of a new wide field camera which compensates the existing spherical aberration, as well as the astigmatism and field curvature, of the telescope.

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Paul G. Hannan and Mark E. Wilson "Optical design of two-mirror widefield cameras for large telescopes", Proc. SPIE 1945, Space Astronomical Telescopes and Instruments II, (1 November 1993); https://doi.org/10.1117/12.158790

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