On the possible use of deep U.V. photoresists correctors to obtain the ultimate U.V. resolution of space borne telescopes.

Details On the possible use of deep U.V. photoresists correctors to obtain the ultimate U.V. resolution of space borne telescopes. On the possible use of deep U.V. photoresists correctors to obtain the ultimate U.V. resolution of space borne telescopes.

Jan 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984spie..445..318d&link_type=abstract

Instrumentation in astronomy V, p. 318 - 331

Astronomy and Astrophysics

Astronomy

Space Instrumentation:Uv Telescopes, Uv Telescopes:Space Instrumentation

Scientific paper

Large space-borne telescopes are limited in their ultraviolet resolution by their large and medium scale (20 - 30 cm) surface irregularities (ripples). The authors present the principle, instrumentation and first results of a new interferometric method using a Michelson-Twyman configuration (diverging light beams) that allows to engrave on deep U.V. photoresists a phase compensating plate which permit to revocer, partly or entirely, the diffraction limited resolution of the telescope. The corrector that they obtain is a phase compensating plate in reflection with highs and lows on its surface perfectly conjugated in negative, with the primary mirror surface irregularities.

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