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Related papers: Laue Lens Development for Hard X-rays (>60 keV)

200 papers

We present the status of LAUE, a project supported by the Italian Space Agency (ASI), and devoted to develop Laue lenses with long focal length (up to 100 meters), for hard X--/soft gamma--ray astronomy (80-600 keV). Thanks to their…

Thick diffractive optical elements offer a promising way to achieve focusing or imaging at a resolution approaching 1 nm for X-ray wavelengths shorter than about 0.1 nm. Efficient focusing requires that these are fabricated with structures…

Optics · Physics 2020-12-02 Henry N. Chapman , Saša Bajt

We present the results obtained with the new Laue lens prototype built in the LARIX facility in the Physics Department of University of Ferrara. Following the results of the first prototype presented at the SPIE conference in Marseille, and…

Instrumentation and Methods for Astrophysics · Physics 2015-05-30 E. Virgilli , F. Frontera , V. Valsan , V. Liccardo , V. Carassiti , F. Evangelisti , S. Squerzanti

The study of the celestial phenomena in the hard X-ray/soft gamma-ray band(20 keV--1 MeV) is very intriguing but also very difficult to be performed with the needed sensitivity. In this review I will discuss the astrophysical importance of…

Instrumentation and Methods for Astrophysics · Physics 2026-03-23 Filippo Frontera

A new concept for an astronomical telescope in the MeV energy band is presented. The concept builds on Bragg diffraction in crystals, which has been discussed in the past, but so far a design with good sensitivity over a wide energy range…

Instrumentation and Methods for Astrophysics · Physics 2020-11-11 Niels Lund

MAX is a proposed Laue lens gamma-ray telescope taking advantage of Bragg diffraction in crystals to concentrate incident photons onto a distant detector. The Laue lens and the detector are carried by two separate satellites flying in…

Astrophysics · Physics 2008-11-26 G. Weidenspointner , C. B. Wunderer , N. Barriere , A. Zoglauer , P. von Ballmoos

Single crystals have high atomic electric fields as much as 10^{11} V/m, which correspond to magnetic fields of \sim 10^3 T. These fields can be utilized to convert X rays into Axion Like Particles (ALPs) coherently similar to X-ray…

Instrumentation and Detectors · Physics 2017-12-05 T. Yamaji , T. Yamazaki , K. Tamasaku , T. Namba

We report on the first results obtained from our development project of focusing gamma-rays ($>$60 keV) by using Laue lenses. The first lens prototype model has been assembled and tested. We describe the technique adopted and the lens…

In-situ white light Laue diffraction has been successfully used to interrogate the structure of single crystal materials undergoing rapid (nanosecond) dynamic compression up to megabar pressures. However, information on strain state…

Elastically bent single-crystal Laue case diffraction crystals provide interesting new opportunities for imaging and spectroscopy applications. The diffraction properties are well understood, however, the ability to easily model the…

Optics · Physics 2020-03-24 Peng Qi , Xianbo Shi , Nazanin Samadi , Dean Chapman

Hard X-/soft Gamma-ray astronomy (> 100 keV) is a crucial field for the study of important astrophysical phenomena such as the 511 keV positron annihilation line in the Galactic center region and its origin, gamma-ray bursts, soft gamma-ray…

Molecular and polymeric crystals show a wide range of functional properties that arise from the interplay between the atomic-scale structure of their constituent molecules and the organization of these molecules within the crystal lattice…

In astrophysics, several key questions in the hard X soft Gamma-ray range (above 100 keV) require sensitivity and angular resolution that are hardly achievable with current technologies. Therefore, a new kind of instrument able to focus…

In the context of the LAUE project for focusing hard X-/gamma rays, a petal of the complete lens is being assembled at the LARIX facility in the Department of Physics and Earth Science of the University of Ferrara. The lens petal structure…

Instrumentation and Methods for Astrophysics · Physics 2015-06-17 Vineeth Valsan , Filippo Frontera , Enrico Virgilli , Vincenzo Liccardo , Ezio Caroli , John B Stephen

We report on results of observation of the focusing effect from the planes (220) of Gallium Arsenide (GaAs) crystals. We have compared the experimental results with the simulations of the focusing capability of GaAs tiles through a…

Instrumentation and Detectors · Physics 2016-01-20 E. Virgilli , F. Frontera , P. Rosati , E. Bonnini , E. Buffagni , C. Ferrari , J. B. Stephen , E. Caroli , N. Auricchio , A. Basili , S. Silvestri

The low-energy gamma-ray domain is an important window for the study of the high energy Universe. Here matter can be observed in extreme physical conditions and during powerful explosive events. However, observing gamma-rays from faint…

Instrumentation and Methods for Astrophysics · Physics 2023-04-05 Enrico Virgilli , Hubert Halloin , Gerald Skinner

The dynamical scattering theory is developed for the Laue diffraction of the M\"{o}ssbauer rays and x-rays, whose angular distribution is comparable with the diffraction angular range. Both the Rayleigh and the resonant nuclear scattering…

Optics · Physics 2019-05-29 Alexey Dzyublik , Volodymyr Spivak

X-ray diffraction was demonstrated from shock-compressed polycrystalline metal on nanosecond time scales. Laser ablation was used to induce shock waves in polycrystalline foils of Be, 25 to 125 microns thick. A second laser pulse was used…

Other Condensed Matter · Physics 2008-01-23 Damian C. Swift

We present in this paper a focusing gamma-ray telescope that has only one goal: addressing the true nature of Type Ia Supernovae (SNe Ia). This telescope is based on a Laue lens focusing a 100-keV wide energy band centered on 847 keV, which…

Instrumentation and Methods for Astrophysics · Physics 2011-09-08 Nicolas M. Barrière , John A Tomsick , Steven E. Boggs , Peter von Ballmoos , Julien Rousselle

The location of the beam focus when monochromatic x-ray radiation is diffracted by a thin bent crystal is predicted by "crystal lens equation". We derive this equation in a general form valid for Bragg and Laue geometries. This equation has…

Optics · Physics 2022-01-07 Jean-Pierre Guigay , Manuel Sanchez del Rio