| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Experimental Detection of Depth of Field for a Thermal Light Lensless Ghost Imaging System |
| GAO Lu**, TIAN Jia, LIN Hai-Long |
| School of Science, China University of Geosciences, Beijing 100083 |
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| Cite this article: |
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GAO Lu, TIAN Jia, LIN Hai-Long 2015 Chin. Phys. Lett. 32 014202 |
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Abstract We propose optical experiments to study the depth of field for a thermal light lensless ghost imaging system. It is proved that the diaphragm is an important factor to influence the depth of field, and the ghost images of two detected objects with longitudinal distance less than the depth of field can be achieved simultaneously. The longitudinal coherence scale of the thermal light lensless ghost imaging determines the depth of field. Theoretical analysis can well explain the experimental results.
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Published: 23 December 2014
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