NDLI: A new sensor for thermal neutron imaging

Content Provider	IEEE Xplore Digital Library
Author	Shestakova, I. Tipnis, S.V. Gaysinskiy, V. Antal, J.J. Bobek, L. Nagarkar ,. V.V.
Copyright Year	2004
Description	Author affiliation: Radiat. Monitoring Devices Inc., Watertown, MA, USA (Shestakova, I.)
Abstract	Thermal neutrons serve as a useful tool in probing macromolecular structures in protein crystallography and in investigations of new materials. However, neutron techniques are underutilized due to the lack of high performance digital, position sensitive detectors. The primary limiting factor in current detectors is the converter screen which converts the neutron signal into visible light. Here we report on a new type of neutron sensitive screen for use in digital imaging systems. The screen consists of a pixelated, microstructured CsI(Tl) scintillator film sandwiched between two neutron converting layers of GdF/sub 3/. To increase the effective surface area of the GdF/sub 3/ conversion layer and to enhance the contrast resolution of the images, the CsI(Tl) layer is pixelated using micromachining techniques. For testing their imaging performance, the sensors were optically coupled to a CCD system to form an imaging detector. The system was subjected to imaging tests at a thermal neutron port of the University of Massachusetts Lowell Research Reactor. The results of these preliminary imaging experiments are presented here.
Starting Page	254
Ending Page	258
File Size	3357061
Page Count	5
File Format	PDF
ISBN	0780387007
ISSN	10823654
e-ISBN	0780387015
DOI	10.1109/NSSMIC.2004.1462192
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-10-16
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image sensors Thermal sensors Neutrons Optical imaging Image converters System testing Optical sensors Proteins Crystallography Crystalline materials
Content Type	Text
Resource Type	Article

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