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

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.

Citation Download Citation

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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