Generation of Droplet Bessel Beams Using a Semiconductor Laser

S. N. Losev; S. Kh. Abdulrazak; D. V. Chistyakov; V. Yu. Myl’nikov; E. A. Kognovitskaya; I. V. Berkutov; Yu. M. Zadiranov; N. G. Deryagin; V. V. Dudelev; V. I. Kuchinskii; G. S. Sokolovskii

doi:10.1134/S1063785018100097

Generation of Droplet Bessel Beams Using a Semiconductor Laser

作者: Losev S.N.¹, Abdulrazak S.K.², Chistyakov D.V.², Myl’nikov V.Y.¹, Kognovitskaya E.A.³, Berkutov I.V.², Zadiranov Y.M.¹, Deryagin N.G.¹, Dudelev V.V.¹, Kuchinskii V.I.¹, Sokolovskii G.S.¹
隶属关系:
1. Ioffe Physical Technical Institute
2. St. Petersburg National Research University of Information Technologies
3. St. Petersburg Electrotechnical University “LETI”
期: 卷 44, 编号 10 (2018)
页面: 887-889
栏目: Article
URL: https://bakhtiniada.ru/1063-7850/article/view/207972
DOI: https://doi.org/10.1134/S1063785018100097
ID: 207972

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In this paper, we studied Bessel beams obtained using an axicon with a substantially rounded apex. A study of the interference of two wave fronts arising from the refraction of the generating beam on an imperfect axicon showed that rounding its apex results in periodic pulsations of intensity in the resultant quasi-Bessel beam resembling visually the “droplets” of light. The proposed mathematical model demonstrates excellent agreement with the experiment.