| 摘要 |
An energy beam is applied to an evaluation region of a sample, a phase distribution image of the energy beam transmitted to the sample in the evaluation region is obtained, and the obtained phase distribution image is analyzed, whereby a stress distribution in the evaluation region is measured. This measuring method measures a stress, based on a phase distribution image, whereby the stress can be measured irrespectively of a crystalline structure of an evaluation sample. A phase distribution image is used, whereby two-dimensional distribution images of the stress, density and refractive index can be obtained.
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