Non-null full field X-ray mirror metrology using SCOTS: a reflection deflectometry approach.
In a previous paper, the University of Arizona (UA) has developed a measurement technique called: Software Configurable Optical Test System (SCOTS) based on the principle of reflection deflectometry. In this paper, we present results of this very efficient optical metrology method applied to the metrology of X-ray mirrors. We used this technique to measure surface slope errors with precision and accuracy better than 100 nrad (rms) and ~200 nrad (rms), respectively, with a lateral resolution of few mm or less. We present results of the calibration of the metrology systems, discuss their accuracy and address the precision in measuring a spherical mirror.
University of Arizona College of Optical Sciences, 1630 East University Boulevard, Tucson, Arizona 85721, USA. midir@bnl.gov
Peng
P
Su
Yuhao
Y
Wang
James H
JH
Burge
Konstantine
K
Kaznatcheev
Mourad
M
Idir
D003198:Computer Simulation; D017076:Computer-Aided Design; D004867:Equipment Design; D019544:Equipment Failure Analysis; D007909:Lenses; D008962:Models, Theoretical; D012031:Refractometry / Q000295:instrumentation*; D012542:Scattering, Radiation; D014961:X-Ray Diffraction / Q000295:instrumentation*