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Next generation X-ray detectors for in-house XRD

  • Takeyoshi Taguchi (a1), Christian Brönnimann (a2) and Eric F. Eikenberry (a3)

Abstract

A novel type X-ray detector, called PILATUS, has been developed at the Paul Scherrer Institut in Switzerland during the last decade. PILATUS detectors are two-dimensional hybrid pixel array detectors, which operate in single-photon counting mode. PILATUS detectors feature a very wide dynamic range (1:1 000 000), very short readout time (<3.0 ms), no readout noise, and very high counting rate (>2×106counts/s/pixel). In addition, a lower energy threshold can be set in order to suppress fluorescence background from the sample, thus a very good signal-to-noise ratio is achieved. The combination of these features for area detectors is unique and thus the PILATUS detectors are considered to be the next generation X-ray detectors. The basic building block of all the detectors is the PILATUS module having an active area of 83.8×33.5 mm2. The PILATUS 100K is a complete detector system with one module. PILATUS detector systems can have other configurations, including large area systems consisting of 20 to 60 modules that can cover up to an area of 431×448 mm2. Such large systems are mainly used for macromolecular structure determination, such as protein crystallography and small angle X-ray scattering. The PILATUS 100K detector can be easily adapted to many systems; the single-module detector is integrated to an in-house X-ray diffraction (XRD) system. Examples of XRD measurements with the PILATUS 100K detector are given.

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Corresponding author

a)Author to whom correspondence should be addressed. Electronic mail: takey@rigaku.co.jp

References

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Brönnimann, C., Baur, R., Horisberger, R., and Schulze, C. (1998). “Pixel detector for the protein crystallography (PX) beamline,” SLS Annex report about the pixel detector development, Swiss Light Source, Paul Scherrer Institut, Villigen PSI, Switzerland, 〈http://pilatus.web.psi.ch/DATA/PDF/Jb98_pix.pdf〉.
Brönnimann, C., Florin, S., Linder, M., Schmitt, B., and Schulze-Briese, C. (2000). “Synchrotron beam test with a photon-counting pixel detector,” J. Synchrotron Radiat. JSYRES 7, 301306.
Brönnimann, C., Eikenberry, E. F., Henrich, B., Horisberger, R., Huelsen, G., Pohl, E., Schmitt, B., Schulze-Briese, C., Suzuki, M., Tomizaki, T., Toyokawa, H., and Wagner, A. (2006). “The PILATUS 1M detector,” J. Synchrotron Radiat. JSYRES 10.1107/S0909049505038665 13, 120130.
Kraft, P. (2005). “Characterization of the readout chip for the PILATUS 6M detector,” Diploma thesis, Institute for Particle Physics, Swiss Federal Institute of Technology (ETH Zürich), Zürich, Switzerland 〈http://pilatus.web.psi.ch/DATA/PDF/Kraft_diploma.pdf〉.
Taguchi, T. (2006). “A new position sensitive area detector for high-speed and high-sensitivity X-ray diffraction analysis,” Powder Diffr. PODIE2 10.1154/1.2204063 21, 97101.

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Next generation X-ray detectors for in-house XRD

  • Takeyoshi Taguchi (a1), Christian Brönnimann (a2) and Eric F. Eikenberry (a3)

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