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Volume 14 Issue 3
Sep.  2013
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The discussion of the transit broadening with a Gaussian beam and beam expanding in high resolution laser spectroscopy

  • Received Date: 1989-10-08
  • It is pointed out that,in high resolution laser spectroscopy,when a particle passes through a Gaussian beam,the total broadening called as transit broadening should include the transit-time broadening and curvature broadening,and this broadening only has a connection with the beam waist,and is independent of the opsition.Therefore,the beam expanding just means to expand the waist and not the beam size.Some laws obeyed by the beam expanding by use of the thin lens are discussed.
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  • [1]

    Zihua Zhang and Jin Wu,Experiments in Fluids,1987,Vol 5,P,193~196.
    [2]

    K,Shimoda,High Resolution Laser Spectroscopy,Springer—Verlng Berlin Heidelberg,New York,1976.
    [3]

    J,L,Hall and J,A.Magyer,High Resolution Laser Spectroscopy(ed,by K,Shimoda),P.197.
    [4] 张梓华,《量子电子学》,1985年,第2卷,第3期,第246-249页.

    [5] 吕百达,《激光光学》,1986年,四川大学出版社,1986年,第64页.

    [6] 北京大学物理系激光专业广东省701研究所三室编,《激光原理》,1976年,第411页.

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  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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The discussion of the transit broadening with a Gaussian beam and beam expanding in high resolution laser spectroscopy

  • 1. Anhui Institute of Optics and Fine Mechanics, Academia Sinica

Abstract: It is pointed out that,in high resolution laser spectroscopy,when a particle passes through a Gaussian beam,the total broadening called as transit broadening should include the transit-time broadening and curvature broadening,and this broadening only has a connection with the beam waist,and is independent of the opsition.Therefore,the beam expanding just means to expand the waist and not the beam size.Some laws obeyed by the beam expanding by use of the thin lens are discussed.

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