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Physical Optics, Diffractive Optics

Axial intensity distribution of lens axicon illuminated by Gaussian-Schell model beam

[+] Author Affiliations
Yuan Chen

Huaqiao University, Department of Electronic Science and Technology, Quanzhou, Fujian 362021, China

Jixiong Pu

Huaqiao University, Department of Electronic Science and Technology, Quanzhou, Fujian 362021, China

Xiaoyun Liu

Huaqiao University, Department of Electronic Science and Technology, Quanzhou, Fujian 362021, China

Opt. Eng. 46(1), 018003 (January 16, 2007). doi:10.1117/1.2431360
History: Received March 05, 2006; Revised June 10, 2006; Accepted June 14, 2006; Published January 16, 2007
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In this paper, both backward and forward-type lens axicons illuminated by a Gaussian-Schell model (GSM) beam are studied. A numerical calculation is performed to investigate the axial intensity distribution of the focal segment. It is shown that when a backward-type lens axicon is illuminated with an appropriate beam radius and spatial coherence of the incident GSM beam, one can achieve a focal segment with uniform axial intensity. The rapid oscillation of the axial intensity can be reduced by the decreasing of spatial coherence. This method is very simple and efficient. A forward-type lens axicon illuminated by a GSM beam is also investigated.

Figures in this Article
© 2007 Society of Photo-Optical Instrumentation Engineers

Citation

Yuan Chen ; Jixiong Pu and Xiaoyun Liu
"Axial intensity distribution of lens axicon illuminated by Gaussian-Schell model beam", Opt. Eng. 46(1), 018003 (January 16, 2007). ; http://dx.doi.org/10.1117/1.2431360


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