Generation of optical beams with angular momentum

Bruno Roy; Michel Piché

doi:10.1117/12.839504

4 August 2009 Generation of optical beams with angular momentum

Bruno Roy, Michel Piché

Proceedings Volume 7386, Photonics North 2009; 738630 (2009) https://doi.org/10.1117/12.839504
Event: Photonics North 2009, 2009, Quebec, Canada

Abstract

In this paper we describe the fabrication of reflective spiral phase plates with a deposition system. This plate was used to transform Gaussian beams into Laguerre-Gauss beams with angular momentum. These beams are characterized by a helical wave front and zero intensity at center. By focusing a femtosecond Laguerre-Gauss beam with an axicon, we have produced surface modifications in a BK7 glass sample.

Citation Download Citation

Bruno Roy and Michel Piché "Generation of optical beams with angular momentum", Proc. SPIE 7386, Photonics North 2009, 738630 (4 August 2009); https://doi.org/10.1117/12.839504

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