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Updated: Jul 16, 2026

The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
Published on: August 12, 2013
Efficient conversion of a radially polarized beam to a nearly Gaussian beam
G Machavariani1, Y Lumer, I Moshe
1Soreq Nuclear Research Center, Electro-Optics Division, Yavne, Israel. galina@soreq.gov.il
Abstract:
We demonstrate an efficient method for transformation of a radially polarized Laguerre-Gaussian beam to a nearly Gaussian beam with much higher beam quality. The method is based on separation of the radially polarized mode into two degenerate modes and coherent addition of the modes after phase flattening. We transformed a high-power Nd:YAG radially polarized (0,1)(*) Laguerre-Gaussian beam with M(2)=2.52 and power of 30 W into a nearly Gaussian beam with M(2)=1.3. As a result, the brightness increased by a factor of approximately 2.5.
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