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PHASE-SENSITIVE TWO-DIMENSIONAL NEUTRON SHEARING INTERFEROMETER AND HARTMANN SENSOR
PHASE-SENSITIVE TWO-DIMENSIONAL NEUTRON SHEARING INTERFEROMETER AND HARTMANN SENSOR
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机译:相敏二维中子剪切干涉仪和哈特曼传感器
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摘要
A neutron imaging system detects both the phase shift and absorption of neutrons passing through an object. The neutron imaging system is based on either of two different neutron wavefront sensor techniques: 2-D shearing interferometry and Hartmann wavefront sensing. Both approaches measure an entire two-dimensional neutron complex field, including its amplitude and phase. Each measures the full-field, two-dimensional phase gradients and, concomitantly, the two-dimensional amplitude mapping, requiring only a single measurement.
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