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Fig. 3 | PhotoniX

Fig. 3

From: Intracavity spherical aberration for selective generation of single-transverse-mode Laguerre-Gaussian output with order up to 95

Fig. 3

The SA-induced focal point displacement (relative to the nominal focal position) as a function of beam radius at the lens L2. The gray zone shows the ring widths dp,m of certain modes. Their intersection with the SA curve is indicative of the effect that SA has on the beam (the calculated fundamental beam radius is 600 μm and the lens L2 is a plano-convex N-BK7 lens with f = 33.9 mm at 1064 nm)

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