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Proceedings Paper

Retrace error: a case study
Author(s): Joseph M. Geary; K. Marty Yoo; Guojun Si
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Paper Abstract

An f/10.3 lens with 6 waves of spherical aberration was tested on a Fizeau interferometer using a standard ZYGO retro sphere. It was found that this configuration led to retrace error difficulties. A longer radius retro sphere yielded results in much better agreement with theory.

Paper Details

Date Published: 15 December 1992
PDF: 8 pages
Proc. SPIE 1776, Interferometry: Surface Characterization and Testing, (15 December 1992); doi: 10.1117/12.139232
Show Author Affiliations
Joseph M. Geary, Swales & Associates, Inc. (United States)
K. Marty Yoo, Swales & Associates, Inc. (United States)
Guojun Si, Swales & Associates, Inc. (United States)


Published in SPIE Proceedings Vol. 1776:
Interferometry: Surface Characterization and Testing
Katherine Creath; John E. Greivenkamp, Editor(s)

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