Spectral x-ray diffraction using a 6 megapixel photon counting array detector

Ryan D. Muir; Nicholas R. Pogranichniy; J. Lewis Muir; Shane Z. Sullivan; Kevin Battaile; Anne M. Mulichak; Scott J. Toth; Lisa J. Keefe; Garth J. Simpson

doi:10.1117/12.2079548

12 March 2015 Spectral x-ray diffraction using a 6 megapixel photon counting array detector

Ryan D. Muir, Nicholas R. Pogranichniy, J. Lewis Muir, Shane Z. Sullivan, Kevin Battaile, Anne M. Mulichak, Scott J. Toth, Lisa J. Keefe, Garth J. Simpson

Author Affiliations +

Proceedings Volume 9401, Computational Imaging XIII; 940109 (2015) https://doi.org/10.1117/12.2079548
Event: SPIE/IS&T Electronic Imaging, 2015, San Francisco, California, United States

Abstract

Pixel-array array detectors allow single-photon counting to be performed on a massively parallel scale, with several million counting circuits and detectors in the array. Because the number of photoelectrons produced at the detector surface depends on the photon energy, these detectors offer the possibility of spectral imaging. In this work, a statistical model of the instrument response is used to calibrate the detector on a per-pixel basis. In turn, the calibrated sensor was used to perform separation of dual-energy diffraction measurements into two monochromatic images. Targeting applications include multi-wavelength diffraction to aid in protein structure determination and X-ray diffraction imaging.

Citation Download Citation

Ryan D. Muir, Nicholas R. Pogranichniy, J. Lewis Muir, Shane Z. Sullivan, Kevin Battaile, Anne M. Mulichak, Scott J. Toth, Lisa J. Keefe, and Garth J. Simpson "Spectral x-ray diffraction using a 6 megapixel photon counting array detector", Proc. SPIE 9401, Computational Imaging XIII, 940109 (12 March 2015); https://doi.org/10.1117/12.2079548

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