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Proceedings Paper

Annular-focus zone lens and its application
Author(s): Jianguo Yu; Wen Pei; Dahsiung Hsu
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Paper Abstract

A new method generating diffraction-free beams is proposed. Design scheme is based on Fresnel-Krichhoff diffraction principle. An investigation of the diffraction efficiencies and the transverse intensity distribution on the focal plane of the designed annular focus zone lenses is presented. Computer based simulation results are presented. Its transverse intensity distribution is of stability and of property of the zeroth order Bessel beam. These properties are with no relation over an appreciable propagation distance. The zeroth order Bessel beam have with narrow beam radii, larger intensity. The design device can also produce ring light source. It translates the light of a laser diode into a high intensity narrow width zeroth order Bessel beam. Diffraction-free beams can be used in making VLSI, medical knives, laser prints, memory read write head, high precision collimation,high precision measure. It can be widely used in industrial field and military fields.

Paper Details

Date Published: 23 September 1996
PDF: 7 pages
Proc. SPIE 2885, Holographic Optical Elements and Displays, (23 September 1996); doi: 10.1117/12.251859
Show Author Affiliations
Jianguo Yu, Beijing Univ. of Posts and Telecommunications (China)
Wen Pei, Beijing Univ. of Posts and Telecommunications (China)
Dahsiung Hsu, Beijing Univ. of Posts and Telecommunications (China)


Published in SPIE Proceedings Vol. 2885:
Holographic Optical Elements and Displays
Freddie Shing-Hong Lin; Daxiong Xu, Editor(s)

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