See discussions, stats, and author profiles for this publication at: http://www.researchgate.net/publication/238909502 Focusing properties and focal shift in hyperbolic-cosine-Gaussian beams ARTICLE in OPTICS COMMUNICATIONS · SEPTEMBER 2005 Impact Factor: 1.45 · DOI: 10.1016/j.optcom.2005.04.081 CITATIONS 17 READS 18 2 AUTHORS, INCLUDING: Abdelmajid Belafhal Chouaib Doukkali University, El Jadid… 106 PUBLICATIONS 401 CITATIONS SEE PROFILE Available from: Abdelmajid Belafhal Retrieved on: 24 October 2015