Focusing properties of Gaussian Schell-model beams by an astigmatic aperture lens |
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Authors: | Pan Liu-Zhan and Ding Chao-Liang |
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Institution: | Department of Physics, Luoyang Normal College, Luoyang 471022, China; College of Physics and Information Engineering, Henan Normal University, Xinxiang 453007, China |
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Abstract: | This paper studies the focusing properties of Gaussian Schell-model
(GSM) beams by an astigmatic aperture lens. It is shown that the
axial irradiance distribution, the maximum axial irradiance and its
position of focused GSM beams by an astigmatic aperture lens depend
upon the astigmatism of the lens, the coherence of partially
coherent light, the truncation parameter of the aperture and Fresnel
number. The numerical calculation results are given to illustrate
how these parameters affect the focusing property. |
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Keywords: | Gaussian Schell-model beam focusing properties astigmatism aperture lens |
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