A neutron optical periscope used for neutron imaging

Burkhard Schillinger; Peter Böni; Christian Breunig; Elbio Calzada; C. Leroy; Martin Mühlbauer; Michael Schulz

doi:10.1016/j.nima.2009.01.182

A neutron optical periscope used for neutron imaging

Burkhard Schillinger, Peter Böni, Christian Breunig, Elbio Calzada, C. Leroy, Martin Mühlbauer, Michael Schulz

Natural Sciences

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

A standard neutron guide is ill suited for neutron imaging, because reflections in the guide destroy the collimation of the neutron beam and let the cross-section of the neutron guide act as a divergent area source. Good neutron imaging installations use a flight tube instead, but with direct sight they also have a large background of gamma radiation and fast and epithermal neutrons. With the availability of high-m super mirrors, it has now become possible to build a neutron optical periscope that eliminates direct sight with two plain optical reflections only, without destroying the beam collimation ratio. At the FRM II reactor of Technische Universität München, several prototypes have been built and tested. Several neutron periscopes will be installed during the upgrade of the ANTARES neutron imaging facility in 2009/2010.

Original language	English
Pages (from-to)	40-42
Number of pages	3
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	605
Issue number	1-2
DOIs	https://doi.org/10.1016/j.nima.2009.01.182
State	Published - 21 Jun 2009

Keywords

Bandpass
Fast neutron filter
Gamma filter
Neutron detectors
Neutron imaging
Neutron periscope
Neutron polarizer
Neutron radiography

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10.1016/j.nima.2009.01.182

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title = "A neutron optical periscope used for neutron imaging",

abstract = "A standard neutron guide is ill suited for neutron imaging, because reflections in the guide destroy the collimation of the neutron beam and let the cross-section of the neutron guide act as a divergent area source. Good neutron imaging installations use a flight tube instead, but with direct sight they also have a large background of gamma radiation and fast and epithermal neutrons. With the availability of high-m super mirrors, it has now become possible to build a neutron optical periscope that eliminates direct sight with two plain optical reflections only, without destroying the beam collimation ratio. At the FRM II reactor of Technische Universit{\"a}t M{\"u}nchen, several prototypes have been built and tested. Several neutron periscopes will be installed during the upgrade of the ANTARES neutron imaging facility in 2009/2010.",

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author = "Burkhard Schillinger and Peter B{\"o}ni and Christian Breunig and Elbio Calzada and C. Leroy and Martin M{\"u}hlbauer and Michael Schulz",

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T1 - A neutron optical periscope used for neutron imaging

AU - Schillinger, Burkhard

AU - Böni, Peter

AU - Breunig, Christian

AU - Calzada, Elbio

AU - Leroy, C.

AU - Mühlbauer, Martin

AU - Schulz, Michael

PY - 2009/6/21

Y1 - 2009/6/21

N2 - A standard neutron guide is ill suited for neutron imaging, because reflections in the guide destroy the collimation of the neutron beam and let the cross-section of the neutron guide act as a divergent area source. Good neutron imaging installations use a flight tube instead, but with direct sight they also have a large background of gamma radiation and fast and epithermal neutrons. With the availability of high-m super mirrors, it has now become possible to build a neutron optical periscope that eliminates direct sight with two plain optical reflections only, without destroying the beam collimation ratio. At the FRM II reactor of Technische Universität München, several prototypes have been built and tested. Several neutron periscopes will be installed during the upgrade of the ANTARES neutron imaging facility in 2009/2010.

AB - A standard neutron guide is ill suited for neutron imaging, because reflections in the guide destroy the collimation of the neutron beam and let the cross-section of the neutron guide act as a divergent area source. Good neutron imaging installations use a flight tube instead, but with direct sight they also have a large background of gamma radiation and fast and epithermal neutrons. With the availability of high-m super mirrors, it has now become possible to build a neutron optical periscope that eliminates direct sight with two plain optical reflections only, without destroying the beam collimation ratio. At the FRM II reactor of Technische Universität München, several prototypes have been built and tested. Several neutron periscopes will be installed during the upgrade of the ANTARES neutron imaging facility in 2009/2010.

KW - Bandpass

KW - Fast neutron filter

KW - Gamma filter

KW - Neutron detectors

KW - Neutron imaging

KW - Neutron periscope

KW - Neutron polarizer

KW - Neutron radiography

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DO - 10.1016/j.nima.2009.01.182

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VL - 605

SP - 40

EP - 42

JO - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

JF - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

IS - 1-2

ER -

A neutron optical periscope used for neutron imaging

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Keywords

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