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16 September 2005 Staring/focusing lobster-eye hard x-ray imaging for non-astronomical objects
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Abstract
A new approach to hard X-ray imaging is proposed, based on staring optics consisting of a lobster-eye lens. This new Staring Imaging Lobster-Eye X-Ray approach is especially suited to X-ray lobster-eye imaging of non-astronomical objects at finite distances, because the staring optics replacing the standard scanning optics, result in an extremely efficient power budget, making possible not only the use of low-efficiency Compton backscattering but also operation with low-flux X-ray beams, increasing operator safety. The lobster-eye optics, consisting of square-cross-section microchannels, transmit an X-ray beam by total external reflection. This mode of operation has already been verified for viewing astronomical objects. Its major challenge is minimizing image defocusing by apodization. For this purpose, a new lens imaging equation is derived, and a new local optical axis concept is defined. Applications include medical imaging, cargo inspection, non-destructive testing, industrial and security safeguards, and surveillance.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Michael Gertsenshteyn, Tomasz Jannson, and Gajendra Savant "Staring/focusing lobster-eye hard x-ray imaging for non-astronomical objects", Proc. SPIE 5922, Hard X-Ray and Gamma-Ray Detector Physics VII, 59220N (16 September 2005); https://doi.org/10.1117/12.615505
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