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oaioai:casi.ntrs.nasa.gov:19740022782

Study of an instrument for sensing errors in a telescope wavefront

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1974
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Abstract

Focal plane sensors for determining the error in a telescope wavefront were investigated. The construction of three candidate test instruments and their evaluation in terms of small wavefront error aberration measurements are described. A laboratory wavefront simulator was designed and fabricated to evaluate the test instruments. The laboratory wavefront error simulator was used to evaluate three tests; a Hartmann test, a polarization shearing interferometer test, and an interferometric Zernike test

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This paper was published in NASA Technical Reports Server.

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