Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search Publications

NIST Authors in Bold

Displaying 39901 - 39925 of 74222

Characterization of Precision Spheres With XCALIBIR

January 1, 2004
Author(s)
Ulf Griesmann, Johannes A. Soons, Quandou (. Wang
The geometry of a nearly spherical surface, for example that of a precision optic, is completely determined by the radius-of-curvature at one point and the deviation from the perfect spherical form at all other points of the sphere. Measurements of radius
Displaying 39901 - 39925 of 74222
Was this page helpful?