Liquid-metal-jet x-ray tube technology and tomography applications

Emil Espes; Tommy Andersson; Fredrik Björnsson; Christina Gratorp; Björn A. M. Hansson; Oscar Hemberg; Göran Johansson; Johan Kronstedt; Mikael Otendal; Tomi Tuohimaa; Per Takman

doi:10.1117/12.2061612

11 September 2014 Liquid-metal-jet x-ray tube technology and tomography applications

Emil Espes, Tommy Andersson, Fredrik Björnsson, Christina Gratorp, Björn A. M. Hansson, Oscar Hemberg, Göran Johansson, Johan Kronstedt, Mikael Otendal, Tomi Tuohimaa, Per Takman

Author Affiliations +

Proceedings Volume 9212, Developments in X-Ray Tomography IX; 92120J (2014) https://doi.org/10.1117/12.2061612
Event: SPIE Optical Engineering + Applications, 2014, San Diego, California, United States

Abstract

The power and brightness of electron-impact micro-focus X-ray sources have long been limited by thermal damage in the anode. Here we describe a novel X-ray microfocus source based on a new anode concept, the liquid-metal-jet anode (MetalJet). The regenerative nature of this anode allows for significantly higher e-beam power density than on conventional anodes, resulting in this source generating significantly higher brightness than other X-ray tubes in the microfocus regime (~5-50 μm). We describe the fundamental properties of the technology and will review the current status specifically in terms of spot size, stability, lifetime, flux, acceleration voltage and brightness.

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Emil Espes, Tommy Andersson, Fredrik Björnsson, Christina Gratorp, Björn A. M. Hansson, Oscar Hemberg, Göran Johansson, Johan Kronstedt, Mikael Otendal, Tomi Tuohimaa, and Per Takman "Liquid-metal-jet x-ray tube technology and tomography applications", Proc. SPIE 9212, Developments in X-Ray Tomography IX, 92120J (11 September 2014); https://doi.org/10.1117/12.2061612

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