X-ray imaging with ePix100a: a high-speed, high-resolution, low-noise camera

G. Blaj; P. Caragiulo; A. Dragone; G. Haller; J. Hasi; C. J. Kenney; M. Kwiatkowski; B. Markovic; J. Segal; A. Tomada

doi:10.1117/12.2238136

30 September 2016 X-ray imaging with ePix100a: a high-speed, high-resolution, low-noise camera

G. Blaj, P. Caragiulo, A. Dragone, G. Haller, J. Hasi, C. J. Kenney, M. Kwiatkowski, B. Markovic, J. Segal, A. Tomada

Proceedings Volume 9968, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XVIII; 99680J (2016) https://doi.org/10.1117/12.2238136
Event: SPIE Optical Engineering + Applications, 2016, San Diego, California, United States

Abstract

The ePix100A camera is a 0.5 megapixel (704 x 768 pixels) camera for low noise x-ray detection applications requiring high spatial and spectral resolution. The camera is built around a hybrid pixel detector consisting of 4 ePix100a ASICs ip-chip bonded to one sensor. The pixels are 50 μm x 50 μm (active sensor size ~ 35:4mm x 38:6 mm), with a noise of ~ 180 eV rms, a range of 100 8 keV photons, and a current frame rate of 240 Hz (with an upgrade path towards ~ 10 kHz). This performance leads to a camera combining a high dynamic range, high signal to noise ratio, high speed and excellent linearity and spectroscopic performance. While the ePix100A ASIC has been developed for pulsed source applications (e.g., free-electron lasers), it performs well with more common sources (e.g., x-ray tubes, synchrotron radiation). Several cameras have been produced and characterized and the results are reported here, along with x-ray imaging applications demonstrating the camera performance.

Citation Download Citation

G. Blaj, P. Caragiulo, A. Dragone, G. Haller, J. Hasi, C. J. Kenney, M. Kwiatkowski, B. Markovic, J. Segal, and A. Tomada "X-ray imaging with ePix100a: a high-speed, high-resolution, low-noise camera", Proc. SPIE 9968, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XVIII, 99680J (30 September 2016); https://doi.org/10.1117/12.2238136

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