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Sakai Y, Babzien M, Fedurin M, Kusche K, Williams O, Fukasawa A, Naranjo B, Murokh A, Agustsson R, Simmonds A, Jacob P, Stenby G, Malone R, Polyanskiy M, Pogorelsky I, Palmer M, Rosenzweig J. Hard X-ray inverse Compton scattering at photon energy of 87.5 keV. Sci Rep 2024; 14:18467. [PMID: 39122805 PMCID: PMC11316098 DOI: 10.1038/s41598-024-68170-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2024] [Accepted: 07/22/2024] [Indexed: 08/12/2024] Open
Abstract
Production of hard X-ray via inverse Compton scattering at photon energies below 100 keV range aimed at potential applications in medicine and material research is reported. Experiments have been performed at the Brookhaven National Laboratory, Accelerator Test Facility, employing the counter collision of a 70 MeV, 0.3 nC electron beam with a near infra-red Nd: YAG laser (1064 nm wavelength) pulse containing ~ 100 mJ in a single shot basis. The radiation distribution of the scattered photon beam is assessed to be sufficiently quasi monochromatic to produce clear contrast from the Au K- edge at 80.7 keV.
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Affiliation(s)
- Yusuke Sakai
- University of California at Los Angeles, Los Angeles, CA, 90095, USA.
| | | | | | - Karl Kusche
- Brookhaven National Laboratory, Upton, NY, 11973, USA
| | - Oliver Williams
- University of California at Los Angeles, Los Angeles, CA, 90095, USA
| | - Atsushi Fukasawa
- University of California at Los Angeles, Los Angeles, CA, 90095, USA
| | - Brian Naranjo
- University of California at Los Angeles, Los Angeles, CA, 90095, USA
| | - Alex Murokh
- RadiaBeam Technologies, LLC, Los Angeles, CA, 90404, USA
| | | | | | - Paul Jacob
- Brookhaven National Laboratory, Upton, NY, 11973, USA
| | - George Stenby
- Brookhaven National Laboratory, Upton, NY, 11973, USA
| | - Robert Malone
- Brookhaven National Laboratory, Upton, NY, 11973, USA
| | | | | | - Mark Palmer
- Brookhaven National Laboratory, Upton, NY, 11973, USA
| | - James Rosenzweig
- University of California at Los Angeles, Los Angeles, CA, 90095, USA
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Zhong Z, Hasnah M, Broadbent A, Dooryhee E, Lucas M. Phase-space matching between bent Laue and flat Bragg crystals. JOURNAL OF SYNCHROTRON RADIATION 2019; 26:1917-1923. [PMID: 31721734 DOI: 10.1107/s1600577519010774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Accepted: 08/01/2019] [Indexed: 06/10/2023]
Abstract
Through phase-space analysis of Dumond diagrams for a flat Bragg crystal, a single bent Laue crystal and a monochromator consisting of double-bent Laue crystals, this work shows that it is possible to match the flat Bragg crystal to both the single-crystal and double-crystal Laue monochromators. The matched system has the advantage that the phase space of the bent crystal's output beam is much larger than that of the flat crystal, making the combined system stable. Here it is suggested that such a matched system can be used at synchrotron facilities to realize X-ray dark-field imaging, analyzer-based imaging and diffraction-enhanced imaging at beamlines using double-Laue monochromators.
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Affiliation(s)
- Z Zhong
- National Syncrhrotron Light Source II, Brookhaven National Laboratory, Upton, NY 11973, USA
| | - M Hasnah
- Department of Mathematics, Statistics and Physics, Qatar University, Al Jamiaa Street, Doha, Qatar
| | - A Broadbent
- National Syncrhrotron Light Source II, Brookhaven National Laboratory, Upton, NY 11973, USA
| | - E Dooryhee
- National Syncrhrotron Light Source II, Brookhaven National Laboratory, Upton, NY 11973, USA
| | - M Lucas
- National Syncrhrotron Light Source II, Brookhaven National Laboratory, Upton, NY 11973, USA
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Nguyen TH, Song S, Jung JH, Jeon I. Development of a multilayer mirror for high-intensity monochromatic x-ray using lab-based x-ray source. OPTICS LETTERS 2012; 37:3777-3779. [PMID: 23041856 DOI: 10.1364/ol.37.003777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
A parabolic, multilayer x-ray mirror, which can be used with a general lab-based x-ray source, was designed and fabricated. A glass substrate for the mirror was fabricated. Its surface was determined by following the rotation of a parabolic curve and was polished precisely. On the substrate surface, six W/Al bilayers were deposited to form the multilayer mirror. The effects of the mirror on x-ray images were investigated based on the calculated modulation transfer function (MTF) and image intensity values. Higher MTF and intensity values of an x-ray image were obtained using the mirror.
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Affiliation(s)
- Thanh-hai Nguyen
- School of Mechanical Systems Engineering, Chonnam National University, Gwangju, South Korea
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Sarnelli A, Elleaume H, Taibi A, Gambaccini M, Bravin A. K-edge digital subtraction imaging with dichromatic x-ray sources: SNR and dose studies. Phys Med Biol 2006; 51:4311-28. [PMID: 16912383 DOI: 10.1088/0031-9155/51/17/012] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The aim of the present work is to analytically evaluate the signal to noise ratio (SNR) and the delivered dose in K-edge digital subtraction imaging (KES) using two types of x-ray sources: a monochromatic x-ray source (available at synchrotron radiation facilities and considered as gold standard) and a quasi-monochromatic compact source. The energy separation DeltaE between the two monochromatic beams is 1 keV and 4 keV for the two sources, respectively. The evaluation has been performed for both radiography and computed tomography. Different geometries have been studied to mimic clinical situations. In mammography, a pathology perfused by a contrast agent has been modelled; in angiography, a vessel superimposed to a ventricle or a stand-alone artery stenosis has been studied. The SNR and the skin dose have been calculated as a function of the detail diameter, the contrast agent (iodine and gadolinium), and its concentration in the tissues. Results show that for DeltaE = 4 keV a slightly higher delivered dose is required to obtain the same SNR with respect to DeltaE < 1 keV. A similar study has been performed for KES-CT. Computer simulations of CT images performed with Snark software are shown to validate the analytical calculations.
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Affiliation(s)
- A Sarnelli
- European Synchrotron Radiation Facility, 6 rue Horowitz, BP 220, F-38043 Grenoble Cedex, France.
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