Ring pattern of a lens–axicon doublet il
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Bélanger, Pierre-André ;Rioux, Marc
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Article
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1978
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The Optical Society
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English
⚖ 866 KB
An axicon and a lens are combined to form an optical system producing a ring-shaped pattern. The purpose of this paper is to show that when a lens-axicon combination is illuminated by a Gaussian beam, the transverse distribution of the focal ring is also a Gaussian distribution. The typical width of