Imaging with cold neutrons at FRM II - The ANTARES beam line and applications

Michael Schulz (FRM II, Technical University Munich)

Neutron imaging is an invaluable tool for non-destructive testing of a large variety of different components or samples. The high sensitivity of neutrons to hydrogen in combination with good penetration for many metals often renders neutron imaging a complementary technique to standard x-ray tomography. Applications of neutron imaging range from the visualization of moisture transport in construction materials over hydrogen diffusion in steel to the identification of organic materials in archeological samples. Furthermore, by using advanced expeimental setups, the neutron's magnetic moment can be used as a 3D probe for magnetic properties of ferromagnetic or superconducting materials.

The neutron source FRM II in Garching, Germany operates the beam line ANTARES which is - after its complete reconstruction in 2013 - one of the most modern imaging beam lines worldwide. It combines the availability of high neutron flux with a wide choice of collimation ratios and offers sufficient space for even complex experimental setups.

In this talk we will give an introduction to the features offered by the ANTARES beam line and show a selection of experiments performed in recent time.

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