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Luo Shirong, Huang Lu, . The far-field intensity distribution and beam quality of unstable resonators[J]. LASER TECHNOLOGY, 1999, 23(5): 281-284.
Citation: Luo Shirong, Huang Lu, . The far-field intensity distribution and beam quality of unstable resonators[J]. LASER TECHNOLOGY, 1999, 23(5): 281-284.
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The far-field intensity distribution and beam quality of unstable resonators

  • Institute of Laser Physics & Chemisty, Sichuan University, Chengdu, 610064

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  • Received Date: August 24, 1998
  • Published Date: September 24, 1999
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    • Abstract
  • Based on the analysis of the far-field intensity distribution,the beam quality of unstable resonators has been studied in detail.Ithas been proven that the intensity in the far-field of unstable resonato rs is the zeroth order Bessel beam distribution,if the obscure ratio ε→1.N umerical calculation and analysis have shown that the "power in the bucket" curve is a suitable method used to characterize the beam quality in the far-field of unstable resonators.Meanwhile,the shortcomings of this method have been poin ted out.
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    • References (7)
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