Belyi, VNKazak, NSKhilo, NAForbes, ARopot, PI2009-12-072009-12-072009-08Belyi, VN, Kazak, NS, Forbes, A et al. 2009. Investigation of local spatial spectra of Bessel light beams. Laser Beam Shaping X Conference, San Diego, USA, 3-4 August 2009, pp 997808194772000277-786Xhttp://hdl.handle.net/10204/3810Copyright 2009. Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibitedThe spectrum of spatial frequencies (SFS) of Bessel beams properties emerging at their spatial localization is investigated. The case, when limiting aperture has a circular shape and a center at any distance from the optical axis, was studied. The Bessel beam local SFS was discovered to be radically changing at shifting the localization zone. Namely, a full ring transforms into a light arcs pair and its angular dimensions monotonically decreases as shift growth. The axis orientation of the spectrum maximal intensity coincides with the diaphragm shifting direction. The numerical modeling results agree well with the experiments.enBessel beamSpatial spectrumFourier transformationAxiconAnnular apertureCircular apertureConference PresentationBelyi, V., Kazak, N., Khilo, N., Forbes, A., & Ropot, P. (2009). Investigation of local spatial spectra of Bessel light beams. Society of Photo-optical Instrumentation Engineers (SPIE). http://hdl.handle.net/10204/3810Belyi, VN, NS Kazak, NA Khilo, A Forbes, and PI Ropot. "Investigation of local spatial spectra of Bessel light beams." (2009): http://hdl.handle.net/10204/3810Belyi V, Kazak N, Khilo N, Forbes A, Ropot P, Investigation of local spatial spectra of Bessel light beams; Society of Photo-optical Instrumentation Engineers (SPIE); 2009. http://hdl.handle.net/10204/3810 .TY - Conference Presentation AU - Belyi, VN AU - Kazak, NS AU - Khilo, NA AU - Forbes, A AU - Ropot, PI AB - The spectrum of spatial frequencies (SFS) of Bessel beams properties emerging at their spatial localization is investigated. The case, when limiting aperture has a circular shape and a center at any distance from the optical axis, was studied. The Bessel beam local SFS was discovered to be radically changing at shifting the localization zone. Namely, a full ring transforms into a light arcs pair and its angular dimensions monotonically decreases as shift growth. The axis orientation of the spectrum maximal intensity coincides with the diaphragm shifting direction. The numerical modeling results agree well with the experiments. DA - 2009-08 DB - ResearchSpace DP - CSIR KW - Bessel beam KW - Spatial spectrum KW - Fourier transformation KW - Axicon KW - Annular aperture KW - Circular aperture LK - https://researchspace.csir.co.za PY - 2009 SM - 9780819477200 SM - 0277-786X T1 - Investigation of local spatial spectra of Bessel light beams TI - Investigation of local spatial spectra of Bessel light beams UR - http://hdl.handle.net/10204/3810 ER -