Thequasi-mosaic'effect in crystals and its applications in modern physics
R Camattari, V Guidi, V Bellucci… - Journal of Applied …, 2015 - journals.iucr.org
Quasi-mosaicity'is an effect of anisotropy in crystals that permits one to obtain a curvature of
internal crystallographic planes that would be flat otherwise. The termquasi-mosaicity'was …
internal crystallographic planes that would be flat otherwise. The termquasi-mosaicity'was …
Self-standing bent silicon crystals for very high efficiency Laue lens
V Bellucci, R Camattari, V Guidi, I Neri… - Experimental Astronomy, 2011 - Springer
Silicon mono-crystals have been bent thanks to a series of parallel superficial indentations
on one of the largest faces of the crystals. This technique relies on irreversible compression …
on one of the largest faces of the crystals. This technique relies on irreversible compression …
Invited Review Article: Development of crystal lenses for energetic photons
RK Smither - Review of Scientific Instruments, 2014 - pubs.aip.org
This paper follows the development of crystal diffraction lenses designed to focus energetic
photons. It begins with the search for a solution to the astrophysics problem of how to detect …
photons. It begins with the search for a solution to the astrophysics problem of how to detect …
Proposal for a Laue lens with quasi-mosaic crystalline tiles
V Guidi, V Bellucci, R Camattari… - Journal of Applied …, 2011 - journals.iucr.org
Quasi-mosaicity is an effect of secondary bending within a crystal driven by crystalline
anisotropy. This effect can be used to fabricate a series of curved crystals for the realization …
anisotropy. This effect can be used to fabricate a series of curved crystals for the realization …
Experimental analysis and modeling of self-standing curved crystals for focusing of X-rays
Novel applications can be attained through the usage of bent crystals as optical components
for the challenge of focusing hard X and γ rays by Bragg diffraction. Nuclear astrophysics …
for the challenge of focusing hard X and γ rays by Bragg diffraction. Nuclear astrophysics …
Demonstration of multilayer reflective optics at photon energies above 0.6 MeV
NF Brejnholt, R Soufli, MA Descalle… - Optics express, 2014 - opg.optica.org
Focusing optics operating in the soft gamma-ray photon energy range can advance a range
of scientific and technological applications that benefit from the large improvements in …
of scientific and technological applications that benefit from the large improvements in …
Self-standing quasi-mosaic crystals for focusing hard X-rays
R Camattari, V Guidi, V Bellucci, I Neri… - Review of Scientific …, 2013 - pubs.aip.org
A quasi mosaic bent crystal for high-resolution diffraction of X and γ rays has been realized.
A net curvature was imprinted to the crystal thanks to a series of superficial grooves to keep …
A net curvature was imprinted to the crystal thanks to a series of superficial grooves to keep …
Design study of a Laue lens for nuclear medicine
G Paterno, V Bellucci, R Camattari… - Journal of Applied …, 2015 - journals.iucr.org
A Laue lens is an ensemble of crystals capable of focusing, through diffraction in
transmission geometry, a fraction of the photons emitted by an X-or γ-ray source onto a small …
transmission geometry, a fraction of the photons emitted by an X-or γ-ray source onto a small …
Homogeneous self-standing curved monocrystals, obtained using sandblasting, to be used as manipulators of hard X-rays and charged particle beams
A technique to obtain self-standing curved crystals has been developed. The method is
based on a sandblasting process capable of producing an amorphized layer on the …
based on a sandblasting process capable of producing an amorphized layer on the …
Curved crystals for high-resolution focusing of X and gamma rays through a Laue lens
V Guidi, V Bellucci, R Camattari, I Neri - Nuclear Instruments and Methods …, 2013 - Elsevier
Crystals with curved diffracting planes have been investigated as high-efficiency optical
components for the realization of a Laue lens for satellite-borne experiments in astrophysics …
components for the realization of a Laue lens for satellite-borne experiments in astrophysics …