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Study of non-diffracting light beams from broad-stripe edge-emitting semiconductor lasers

Sokolovskii, G. S. and Dudelev, V. V. and Losev, S. N. and Deryagin, A. G. and Vinokurov, D. A. and Lyutetskii, A. V. and Pikhtin, N. A. and Slipchenko, S. O. and Tarasov, I. S. and Zolotovskaya, Svetlana and Rafailov, E.U. and Kuchinskii, V. I. and Sibbett, W. (2010) Study of non-diffracting light beams from broad-stripe edge-emitting semiconductor lasers. Technical Physics Letters, 36 (1). pp. 9-12. ISSN 1063-7850

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Abstract

Broad-stripe edge-emitting semiconductor lasers have been used to obtain propagation-invariant (nondiffracting) light beams with powers and diameters of the central ray acceptable for optical manipulation and tweezing. The results of investigations of the propagation of Bessel beams generated from broad-stripe lasers with spectrally selective resonator show that the spatial homogeneity of emission plays a much greater role than the temporal coherence in the formation of Bessel beams. The main factors limiting the length of non-diffracting beam propagation (without distortion of the central ray) are the astigmatism and multimode character of laser radiation.

Item Type: Article
Journal or Publication Title: Technical Physics Letters
Subjects:
Departments: Faculty of Science and Technology > Engineering
ID Code: 76354
Deposited By: ep_importer_pure
Deposited On: 26 Oct 2015 10:00
Refereed?: Yes
Published?: Published
Last Modified: 19 Nov 2017 12:55
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/76354

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