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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 2, Iss. 7 — Jul. 10, 2004
  • pp: 376–378

Axial distribution of Gaussian beam limited by a hard-edged aperture

Shuyun Teng, Liren Liu, Zhu Luan, and Lingyu Wan  »View Author Affiliations

Chinese Optics Letters, Vol. 2, Issue 7, pp. 376-378 (2004)

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In this letter, the axial distribution of Gaussian beam limited by a hard-edged aperture is studied. We theoretically analyze the axial diffraction of Gaussian beam limited by a hard-edged aperture, and give the simpler formulas of the axial diffraction intensities of Gaussian beam in Fresnel diffraction field and Fraunhofer diffraction field. The corresponding numerical calculation of axial diffraction intensity distribution of Gaussian beam with different wave waist is provided and the evolution of the diffraction distribution with the wave waist of Gaussian beam is explained. As the especial cases of the truncated Gaussian beam, the Gaussian beam in free space and the parallel light limited by the aperture are discussed too, and the system parameters of the truncated Gaussian beam which can cause it to equal to these cases are given. The theoretical results conform to the numerical analysis.

© 2005 Chinese Optics Letters

OCIS Codes
(010.3310) Atmospheric and oceanic optics : Laser beam transmission
(050.1940) Diffraction and gratings : Diffraction
(050.1960) Diffraction and gratings : Diffraction theory
(050.1970) Diffraction and gratings : Diffractive optics

Shuyun Teng, Liren Liu, Zhu Luan, and Lingyu Wan, "Axial distribution of Gaussian beam limited by a hard-edged aperture," Chin. Opt. Lett. 2, 376-378 (2004)

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