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Neutron sources

Neutron sources

Home » Instrumentation and measurement » Neutron sources » Neutron Airy beams make their debut

Neutron Airy beams make their debut

09 May 2025 Isabelle Dumé
Diagram showing what happens when a neutron beam hits scored lines on a grating pattern. Two lines of dots coming out of the grating pattern (representing the Airy beam) at left follow a curved path and create triangular areas on the detector at right.
Airy beam: When an ordinary beam of neutrons strikes the team’s silicon grating, the millions of scored lines on the grating convert the neutrons into an Airy beam with a wavefront that travels along a parabolic path. The triangular shapes on the detector match the predicted behaviour of an Airy beam, offering evidence of the team’s success. (Courtesy: N Hanacek / NIST)
Physicists have succeeded in making neutrons travel in a curved parabolic waveform known as an Airy

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Isabelle Dumé is a contributing editor to Physics World
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