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In the context of the LAUE project devoted to build a long focal-length focusing optics for soft $\gamma$-ray astronomy (80 - 600 keV), we present the results of reflectivity measurements of bent crystals in different configurations,…

Instrumentation and Methods for Astrophysics · Physics 2015-06-12 V. Liccardo , E. Virgilli , F. Frontera , V. Valsan

We present the status of the laue project devoted to develop a technology for building a 20 meter long focal length Laue lens for hard x-/soft gamma-ray astronomy (80 - 600 keV). The Laue lens is composed of bent crystals of Gallium…

Instrumentation and Methods for Astrophysics · Physics 2016-01-20 E. Virgilli , F. Frontera , P. Rosati , V. Liccardo , S. Squerzanti , V. Carassiti , E. Caroli , N. Auricchio , J. B. Stephen

In the context of the LAUE project devoted to build a long focal length focusing optics for soft gamma-ray astronomy (70/100 keV to $>$600 keV), we present results of simulation of a Laue lens, based on bent crystals in different assembling…

Instrumentation and Methods for Astrophysics · Physics 2015-06-12 Vineeth Valsan , Filippo Frontera , Enrico Virgilli , Vincenzo Liccardo

In the context of the LAUE project devoted to build a Laue lens prototype for focusing celestial hard X-/soft gamma-rays, a Laue lens made of bent crystal tiles, with 20 m focal length, is simulated. The focusing energy passband is assumed…

Instrumentation and Methods for Astrophysics · Physics 2017-11-10 E. Virgilli , V. Valsan , F. Frontera , E. Caroli , V. Liccardo , J. B. Stephen

In the context of Laue project for focusing hard X-/ soft gamma-rays, an entire Laue lens, using bent Ge(111) crystal tiles, with 40 meters curvature radius, is simulated with a focal length of 20 meters. The focusing energy band is between…

Instrumentation and Detectors · Physics 2015-11-11 Vineeth Valsan , Enrico Virgilli , Filippo Frontera , Vincenzo Liccardo , Ezio Caroli , John B Stephen

Crystals are the elementary constituents of Laue lenses, an emerging technology which could allow the realization of a space borne telescope 10 to 100 times more sensitive than existing ones in the 100 keV - 1.5 MeV energy range. This study…

We report on recent progress in the development of Laue lenses for applications in hard X/soft gamma-ray astronomy. Here we focus on the realization of a sector of such a lens made of 11 bent Germanium crystals and describe the…

Laue lenses are an emerging technology based on diffraction in crystals that allows the concentration of soft gamma rays. This kind of optics that works in the 100 keV - 1.5 MeV band can be used to realize an high-sensitivity and…

Instrumentation and Methods for Astrophysics · Physics 2015-05-14 N. Barriere , L. Natalucci , N. Abrosimov , P. von Ballmoos , P. Bastie , P. Courtois , M. Jentschel , J. Knodlseder , J. Rousselle , P. Ubertini

Laue lenses are an emerging technology that will enhance gamma-ray telescope sensitivity by one to two orders of magnitude in selected energy bands of the \sim 100 keV to \sim 1.5 MeV range. This optic would be particularly well adapted to…

Instrumentation and Methods for Astrophysics · Physics 2011-11-30 Nicolas M. Barrière , John A. Tomsick , Steven E. Boggs , Alexander Lowell , Peter von Ballmoos

Results of reflectivity measurements of mosaic crystal samples of Cu (111) are reported. These tests were performed in the context of a feasibility study of a hard X-ray focusing telescope for space astronomy with energy passband from 60 to…

This paper summarizes the development of a successful project, LAUE, supported by the Italian Space Agency (ASI) and devoted to the development of long focal length (up to 100 m) Laue lenses for hard X--/soft gamma--ray astronomy (80-600…

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 concept of a gamma-ray telescope based on a Laue lens offers the possibility to increase the sensitivity by more than an order of magnitude with respect to existing instruments. Laue lenses have been developed by our collaboration for…

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 the feasibility study of a Laue lens for hard X-rays (>60 keV)based on mosaic crystals, for astrophysical applications. In particular we discuss the scientific motivations, its functioning principle, the procedure followed to…

We present the LAUE project devoted to develop an advanced technology for building a high focal length Laue lens for soft gamma--ray astronomy (80-600 keV). The final goal is to develop a focusing optics that can improve the current…

Instrumentation and Methods for Astrophysics · Physics 2015-05-30 E. Virgilli , F. Frontera , V. Valsan , V. Liccardo , E. Caroli , J. B. Stephen , F. Cassese , L. Recanatesi , M. Pecora , S. Mottini , P. Attiná , B. Negri

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

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…

Hard X-/soft Gamma-ray astronomy is a key field for the study of important astrophysical phenomena such as the electromagnetic counterparts of gravitational waves, gamma-ray bursts, black holes physics and many more. However, the spatial…

Laue lenses constitute a promising option for concentrating soft gamma rays with a large collection area and reasonable focal lengths. In astronomy they could lead to increased telescope sensitivity by one to two orders of magnitude, in…

Instrumentation and Methods for Astrophysics · Physics 2014-03-05 Nicolas M. Barrière , John A. Tomsick , Steven E. Boggs , Alexander Lowell , Colin Wade , Max Baugh , Peter von Ballmoos , Nikolay V. Abrosimov , Lorraine Hanlon
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