The Center for Freeform Optics
An Industry/University Cooperative Research Center

Interferometric Technology for Freeform Surfaces

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Kyle Fuerschbach, Kevin P. Thompson, and Jannick P. Rolland recently published a paper, ‘Interferometric measurement of a concave, φ-polynomial, Zernike mirror,’ in Optics Letters 39(1), 18-21 (2014)


                                                                                                                                                                                                                             Abstract: We report on the surface figure measurement of a freeform, φ-polynomial (Zernike) mirror for use in an off-axis, reflective imaging system. The measurement utilizes an interferometric null configuration that is a combination of sub-systems each addressing a specific aberration type, namely, spherical aberration, astigmatism, and coma.

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Spring 2014