Elisabetta Nocerino , Tamara Vonäsch , Markus Strobl , Anders Kaestner
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引用次数: 0
Abstract
We present the design and construction of a custom neutron-transparent sample environment for in situ moisture-dependent neutron dark-field imaging (NDFI) experiments for the imaging facilities at the Paul Scherrer Institute (PSI), Villigen, Switzerland. This simple setup, combined with a moisture generator, features a continuous flow system to ensure a constant homogeneous flow of humid air to manipulate the sample’s moisture conditions at room temperature. To facilitate neutron dark-field imaging measurements, the chamber has a slim design to maximize the sample-detector distance scanning range. The chamber can maintain static or dynamic relative humidity conditions, allowing for humidity cycles. Beyond moisture-dependent studies, the system’s versatility allows its utilization in any type of gas stream-dependent study. This technical note details the engineering considerations, construction process, and validation of this sample environment.
期刊介绍:
Section A of Nuclear Instruments and Methods in Physics Research publishes papers on design, manufacturing and performance of scientific instruments with an emphasis on large scale facilities. This includes the development of particle accelerators, ion sources, beam transport systems and target arrangements as well as the use of secondary phenomena such as synchrotron radiation and free electron lasers. It also includes all types of instrumentation for the detection and spectrometry of radiations from high energy processes and nuclear decays, as well as instrumentation for experiments at nuclear reactors. Specialized electronics for nuclear and other types of spectrometry as well as computerization of measurements and control systems in this area also find their place in the A section.
Theoretical as well as experimental papers are accepted.