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Study of an instrument for sensing errors in a telescope wavefront (1974)

Slater, P. N. ; Shack, R. V. ; Golden, L. J.

In: CASI

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Publication Date: 2019-06-27

Description: 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.

Keywords: INSTRUMENTATION AND PHOTOGRAPHY

Type: NASA-CR-120353

Format: application/pdf

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