论文部分内容阅读
We report an experimental observation of Poissons spot with pseudo-thermal light. The experimental results show that the diffraction patte 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 patte under the condition that the thermal light source has a larger spectral bandwidth.