Phase aperture: a new laser component?

Kamel Ait-Ameur; M. Fromager

doi:10.1117/12.498461

8 July 2003 Phase aperture: a new laser component?

Kamel Ait-Ameur, M. Fromager

Proceedings Volume 5036, Photonics, Devices, and Systems II; (2003) https://doi.org/10.1117/12.498461
Event: Photonics, Devices, and Systems II, 2002, Prague, Czech Republic

Abstract

We present the promising single- and multi-pass properties of a very simple Diffractive Optical Element which is a phase aperture. The latter is a two-level transparent phase-plate with a phase discontinuity of magnitude π. In the single-pass case the phase aperture can be used for laser beam tailoring. It is able to convert a Gaussian beam into a super-Gaussian, a ring-shaped or a doughnut profile, and an elliptic into a circular beam. In the multi-pass case the phase aperture is inserted inside an optical laser cavity in order to enhance some of its properties: transverse mode discrimination and fundamental mode volume.

Citation Download Citation

Kamel Ait-Ameur and M. Fromager "Phase aperture: a new laser component?", Proc. SPIE 5036, Photonics, Devices, and Systems II, (8 July 2003); https://doi.org/10.1117/12.498461

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