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J Synchrotron Radiat. 2016 May;23(Pt 3):665-78. doi: 10.1107/S1600577516005014. Epub 2016 Apr 20.

DABAM: an open-source database of X-ray mirrors metrology.

Author information

1
ESRF - The European Synchrotron, 71 Avenue des Martyrs, 38000 Grenoble, France.
2
AC2T Research GmbH, Viktro-Kaplan-Strasse 2-C, 2700 Wiener Neustadt, Austria.
3
SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, CA 94025, USA.
4
NSLS II, Brookhaven National Laboratory, Upton, NY 11973-5000, USA.
5
InSync Inc., 2511C Broadbent Parkway, Albuquerque, NM 87107, USA.
6
Elettra-Sincrotrone Trieste SCpA, Basovizza (TS), Italy.
7
Advanced Photon Source, Argonne National Laboratory, Argonne, IL 60439, USA.
8
BESSY II, Helmholtz Zentrum Berlin, Institute for Nanometre Optics and Technology, Albert-Einstein-Strasse 15, 12489 Berlin, Germany.
9
Swiss Light Source at Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland.
10
Instrumentation Division, Brookhaven National Laboratory, Upton, NY 11973-5000, USA.
11
Synchrotron Soleil, France.
12
Advanced Light Source, Lawrence Berkeley National Laboratory, MS 15-R0317, 1 Cyclotron Road, Berkeley, CA 94720-8199, USA.

Abstract

An open-source database containing metrology data for X-ray mirrors is presented. It makes available metrology data (mirror heights and slopes profiles) that can be used with simulation tools for calculating the effects of optical surface errors in the performances of an optical instrument, such as a synchrotron beamline. A typical case is the degradation of the intensity profile at the focal position in a beamline due to mirror surface errors. This database for metrology (DABAM) aims to provide to the users of simulation tools the data of real mirrors. The data included in the database are described in this paper, with details of how the mirror parameters are stored. An accompanying software is provided to allow simple access and processing of these data, calculate the most usual statistical parameters, and also include the option of creating input files for most used simulation codes. Some optics simulations are presented and discussed to illustrate the real use of the profiles from the database.

KEYWORDS:

Python; X-ray mirror; database; metrology; statistics

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