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Low cost adjustable axicon

R. DE SAINT-DENIS1,* , E. CAGNIOT1, P. LEPRINCE1, M. FROMAGER1, K. AIT-AMEUR1

Affiliation

  1. Centre de Recherche sur les Ions, les Matériaux et la Photonique, UMR 6252, CNRS-ENSICAEN-CEA-UCBN, CIMAPENSICAEN,6 BD Maréchal Juin, F14050 Caen, France

Abstract

In this paper we propose a very simple device that acts as an adjustable axicon: it simply consists in a 0.25mm thick silicon wafer deformed in its centre by a small ball. Beam shapings comparable to those usually generated by axicon are observed: Bessel beams and dark hollow beams, both very useful in cold atoms manipulation.

Keywords

Axicon, Hollow beam, Deformable mirror, Bessel beam, Dark hollow beam.

Citation

R. DE SAINT-DENIS, E. CAGNIOT, P. LEPRINCE, M. FROMAGER, K. AIT-AMEUR, Low cost adjustable axicon, Optoelectronics and Advanced Materials - Rapid Communications, 2, 11, November 2008, pp.693-696 (2008).

Submitted at: Aug. 1, 2008

Accepted at: Oct. 30, 2008