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Proceedings Paper

In-depth calibration of a Laue lens prototype composed of Fe and Al mosaic crystals
Author(s): Colin Wade; Nicolas Barrière; John A. Tomsick; Lorraine Hanlon; Steven E. Boggs; Nicolai F. Brejnholt; Sonny Massahi; Peter Von Ballmoos
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Paper Abstract

The Laue lens is a developing technology for focusing soft gamma-rays, that is based on the principle of Bragg diffraction. A suitable arrangement of diffracting crystals is used to concentrate a set of parallel incoming photons onto a common focal spot. In late 2014, the Laue lens assembly station (LLAS) at UC Berkeley was used to construct a prototype lens segment, consisting of 48 5 x 5mm2 crystals - 36 iron and 12 aluminium. The segment is composed of 8 partial rings, each of which is aligned to diffract an energy between 90 and 130 keV. In December 2015 the prototype was tested and calibrated using the LLAS and results are presented here. The crystal mounting speed, accuracy of crystal position and orientation, and crystal reflectivity are addressed.

Paper Details

Date Published: 18 July 2016
PDF: 7 pages
Proc. SPIE 9905, Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray, 99056P (18 July 2016); doi: 10.1117/12.2234690
Show Author Affiliations
Colin Wade, Univ. College Dublin (Ireland)
Space Sciences Lab. (United States)
Nicolas Barrière, Space Sciences Lab., Univ. of California, Berkeley (United States)
Cosine Research BV (Netherlands)
John A. Tomsick, Space Sciences Lab., Univ. of California, Berkeley (United States)
Lorraine Hanlon, Univ. College Dublin (Ireland)
Steven E. Boggs, Space Sciences Lab., Univ. of California, Berkeley (United States)
Nicolai F. Brejnholt, Lawrence Livermore National Lab. (United States)
Sonny Massahi, Technical Univ. of Denmark (Denmark)
Space Sciences Lab. (United States)
Peter Von Ballmoos, Institut de Recherche en Astrophysique et Planétologie (France)


Published in SPIE Proceedings Vol. 9905:
Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray
Jan-Willem A. den Herder; Tadayuki Takahashi; Marshall Bautz, Editor(s)

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