The flexible embedded-fiber neutron detector

T. K. McKnight; J. B. Czirr; K. Littrell; B. J. Campbell

doi:10.1016/j.nima.2007.11.044

The flexible embedded-fiber neutron detector

T. K. McKnight, J. B. Czirr, K. Littrell, B. J. Campbell

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

8 Scopus citations

Abstract

We present a novel area-detector design, the flexible embedded-fiber detector (FEFD), which combines high-efficiency, low-cost, and very simple signal processing. It consists of wavelength-shifting fibers embedded in a zinc-sulfide lithium-fluoride-based scintillator and a physically flexible binder that allows the detecting surface to be wrapped into circular paths, so that each fiber is concentric with a single Debye-Scherrer cone. The FEFD design has been investigated via Monte Carlo simulations and by efficiency measurements performed using the CHEX instrument at the Intense Pulsed Neutron Source.

Original language	English
Pages (from-to)	246-250
Number of pages	5
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	586
Issue number	2
DOIs	https://doi.org/10.1016/j.nima.2007.11.044
State	Published - Feb 21 2008

Funding

We gratefully acknowledge Lynette Jirik for her assistance at the CHEX beamline, and the Bicron division of Saint-Gobain Detectors and Crystals for providing the wavelength-shifting fiber samples used for our experiments. This research was supported by the Photogenics division of Mission Support Inc. and by an award from Research Corporation.

Keywords

Neutron detector
Powder diffraction
Wavelength-shifting fiber
Zinc sulfide scintillator

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10.1016/j.nima.2007.11.044

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title = "The flexible embedded-fiber neutron detector",

abstract = "We present a novel area-detector design, the flexible embedded-fiber detector (FEFD), which combines high-efficiency, low-cost, and very simple signal processing. It consists of wavelength-shifting fibers embedded in a zinc-sulfide lithium-fluoride-based scintillator and a physically flexible binder that allows the detecting surface to be wrapped into circular paths, so that each fiber is concentric with a single Debye-Scherrer cone. The FEFD design has been investigated via Monte Carlo simulations and by efficiency measurements performed using the CHEX instrument at the Intense Pulsed Neutron Source.",

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AU - McKnight, T. K.

AU - Czirr, J. B.

AU - Littrell, K.

AU - Campbell, B. J.

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AB - We present a novel area-detector design, the flexible embedded-fiber detector (FEFD), which combines high-efficiency, low-cost, and very simple signal processing. It consists of wavelength-shifting fibers embedded in a zinc-sulfide lithium-fluoride-based scintillator and a physically flexible binder that allows the detecting surface to be wrapped into circular paths, so that each fiber is concentric with a single Debye-Scherrer cone. The FEFD design has been investigated via Monte Carlo simulations and by efficiency measurements performed using the CHEX instrument at the Intense Pulsed Neutron Source.

KW - Neutron detector

KW - Powder diffraction

KW - Wavelength-shifting fiber

KW - Zinc sulfide scintillator

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The flexible embedded-fiber neutron detector

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