Demonstration of achromatic cold-neutron microscope utilizing axisymmetric focusing mirrors

An achromatic cold-neutron microscope with magnification 4 is demonstrated. The image-forming optics is composed of nested coaxial mirrors of full figures of revolution, so-called Wolter optics. The spatial resolution, field of view, and depth of focus are measured and found consistent with ray-trac...

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Bibliographic Details
Published in:Applied physics letters 2013-05, Vol.102 (18), p.183508
Main Authors: Liu, D., Hussey, D., Gubarev, M. V., Ramsey, B. D., Jacobson, D., Arif, M., Moncton, D. E., Khaykovich, B.
Format: Article
Language:English
Subjects:
AXIAL SYMMETRY
BEAM OPTICS
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
COLD NEUTRONS
FOCUSING
MICROSCOPES
MICROSCOPY
MIRRORS
PARTICLE ACCELERATORS
PARTICLE BEAMS
SIGNALS
SIMULATION
SPATIAL RESOLUTION
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Summary:An achromatic cold-neutron microscope with magnification 4 is demonstrated. The image-forming optics is composed of nested coaxial mirrors of full figures of revolution, so-called Wolter optics. The spatial resolution, field of view, and depth of focus are measured and found consistent with ray-tracing simulations. Methods of increasing the resolution and magnification are discussed, as well as the scientific case for the neutron microscope. In contrast to traditional pinhole-camera neutron imaging, the resolution of the microscope is determined by the mirrors rather than by the collimation of the beam, leading to possible dramatic improvements in the signal rate and resolution.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.4804178