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2007 Volume 16 Issue 5
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Lu Zhang-De. 2007: Off-axial elliptical cosine-Gaussian beams and their propagation properties, Chinese Physics B, 16(5): 1320-1326.
Citation: Lu Zhang-De. 2007: Off-axial elliptical cosine-Gaussian beams and their propagation properties, Chinese Physics B, 16(5): 1320-1326.
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Off-axial elliptical cosine-Gaussian beams and their propagation properties

  • Department of Physics, Shaoxing College of Arts and Sciences, Shaoxing 312000, China

  • Corresponding author: Lu Zhang-De
  • Available Online: 30/05/2007
  • In this paper, a new kind of light beam called off-axial elliptical cosine-Gaussian beam (ECosGBs) is denned by using the tensor method. An analytical propagation expression for the ECosGBs passing through axially nonsymmetrical optical systems is derived by using vector integration. The intensity distributions of ECosGBs on the input plane, on the output plane with the equivalent Presnel number being equal to 0.1 and on the focal plane are respectively illustrated for the propagation properties. The results indicate that an ECosGB is eventually transformed into an elliptical cosh-Gaussian beam. In other words, ECosGBs and cosh-Gaussian beams act in a reciprocal manner after propagation.
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Off-axial elliptical cosine-Gaussian beams and their propagation properties

    Corresponding author: Lu Zhang-De
  • Available Online: 30/05/2007

Abstract: In this paper, a new kind of light beam called off-axial elliptical cosine-Gaussian beam (ECosGBs) is denned by using the tensor method. An analytical propagation expression for the ECosGBs passing through axially nonsymmetrical optical systems is derived by using vector integration. The intensity distributions of ECosGBs on the input plane, on the output plane with the equivalent Presnel number being equal to 0.1 and on the focal plane are respectively illustrated for the propagation properties. The results indicate that an ECosGB is eventually transformed into an elliptical cosh-Gaussian beam. In other words, ECosGBs and cosh-Gaussian beams act in a reciprocal manner after propagation.

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