Low cost adjustable axicon

Renaud de Saint Denis (1) , Emmanuel Cagniot (1) , Philippe Leprince (1) , Michael Fromager (1) , Kamel Aït Ameur (1)

1 CIMAP - UMR 6252 - Centre de recherche sur les Ions, les MAtériaux et la Photonique

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

Domains: Physics [physics]; Physics [physics]; Optics [physics.optics]

Renaud de Saint Denis, Emmanuel Cagniot, Philippe Leprince, Michael Fromager, Kamel Aït Ameur. Low cost adjustable axicon. Optoelectronics and Advanced Materials - Rapid Communications, 2008, 2 (11), pp.693-696. ⟨cea-00351086⟩