Quality Parameters of Zero-Order Bessel Light Beams

被引:0
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作者
A. A. Ryzhevich
I. V. Balykin
T. A. Zheleznyakova
机构
[1] B. I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus,
[2] Belarusian State University,undefined
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关键词
Bessel light beam; semiconducting laser module; intensity distribution; Bessel light beam quality parameter;
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摘要
A collimated light beam at the output of a semiconductor laser module was studied experimentally. The intensity distribution in the transverse cross section of this beam did not have infinite-order axial symmetry and varied with the longitudinal coordinate. The experimental spatial intensity distributions in light fields formed by a conical lens (axicon) from radiation of He–Ne and semiconducting lasers were compared. Criteria were proposed for objective numerical quality assessment of zero-order Bessel light beams. The quality parameters of Bessel light fields formed by the axicon from radiation of He–Ne and semiconducting lasers were obtained from trial calculations.
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页码:134 / 142
页数:8
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