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Spectral Anomalies in the Fraunhofer Diffraction Pattern |
| PU Ji-Xiong;CAI Chao;HU Xian-Dai;LIU Xiao-Yun |
| Department of Electronic Science and Technology, Huaqiao University, Quanzhou 362021 |
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| Cite this article: |
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PU Ji-Xiong, CAI Chao, HU Xian-Dai et al 2005 Chin. Phys. Lett. 22 2259-2261 |
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Abstract We study the spectral characteristics theoretically and experimentally in the Fraunhofer diffraction pattern formed by the diffraction of a spatially coherent, polychromatic light through a slit. It is found that the spectrum in some diffraction directions close to the singular direction is redshifted, compared to the spectrum of the incident polychromatic light, and blueshifted in other directions, and splits into two lines at the singular direction. We show that the experimental results are consistent with the theoretical expectations.
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| Keywords:
42.25.Hz
42.25.Kb
42.25.Fx
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Published: 01 September 2005
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