Improving Visibility of Diffraction Pattern with Pseudo-Thermal Light |
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Authors: | GAO Lu XIONG Jun ZHANG Shu-Heng WANG Wei WANG Kai-Ge |
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Affiliation: | Department of Physics, Applied Optics Beijing Area Major Laboratory, Beijing Normal University, Beijing 100875 |
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Abstract: | We report an experimental observation of Poisson's spot with pseudo-thermal light. The experimental results show that the diffraction pattern disappears in the intensity distribution behind the opaque disc but emerges through both auto-correlation and cross-correlation intensity measurements. The auto-correlation scheme can take care of both better visibility and higher resolution of the diffraction pattern under the condition that the thermal light source has a larger spectral bandwidth. |
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Keywords: | 42.50.Dv 42.50.Ar 42.30.Va |
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