Retrace error: a case study

Joseph M. Geary; K. Marty Yoo; Guojun Si

doi:10.1117/12.139232

15 December 1992 Retrace error: a case study

Joseph M. Geary, K. Marty Yoo, Guojun Si

Proceedings Volume 1776, Interferometry: Surface Characterization and Testing; (1992) https://doi.org/10.1117/12.139232
Event: San Diego '92, 1992, San Diego, CA, United States

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.

Citation Download Citation

Joseph M. Geary, K. Marty Yoo, and Guojun Si "Retrace error: a case study", Proc. SPIE 1776, Interferometry: Surface Characterization and Testing, (15 December 1992); https://doi.org/10.1117/12.139232

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