Abstract
The optical surface of a large optical flat can be measured using an autocollimator and scanning pentaprism system. The autocollimator measures the slope difference between a point on the mirror and a reference point. Such a system was built and previously operated at the University of Arizona. We discuss refinements that were made to the hardware, the alignment procedure, and the error analysis. The improved system was demonstrated with a flat mirror, which was measured to be flat to rms. The uncertainty in the measurement is only rms.
© 2007 Optical Society of America
Full Article | PDF ArticleMore Like This
Erhui Qi, Haixiang Hu, and Xiao Luo
Appl. Opt. 58(4) 787-793 (2019)
Steven C. West, Samuel H. Bailey, James H. Burge, Brian Cuerden, Jeff Hagen, Hubert M. Martin, and Michael T. Tuell
Appl. Opt. 49(18) 3522-3537 (2010)
Peng Su, James H. Burge, and Robert E. Parks
Appl. Opt. 49(1) 21-31 (2010)