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Effective beam truncation of the fundamental mode in an apertured cavity

1993; Optica Publishing Group; Volume: 18; Issue: 12 Linguagem: Inglês

10.1364/ol.18.000938

1539-4794

Kamel Aı̈t-Ameur, G. Stéphan,

Orbital Angular Momentum in Optics

We consider, in an apertured plano-concave cavity, the TEM(00)-mode loss variations with mirror curvature. We define an effective beam truncation, taking into account the shrinking or widening of the beam that is due to the diffractive lens effect of the aperture.