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1 April 2022 Incoherent combination of 4×100W high power fibered beams with multi-plane light conversion technology at 1μm
Bertrand Denolle, Claire Autebert, Avinash Kumar, Aymeric Lucas, Guillaume Labroille, Jean-François Morizur, Tangi Le Guennic, Pu Jian, François Gustave, Lombard Laurent, Pierre Bourdon, Anasthase Limery
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Proceedings Volume PC11982, Components and Packaging for Laser Systems VIII; PC119820A (2022) https://doi.org/10.1117/12.2614532
Event: SPIE LASE, 2022, San Francisco, California, United States
Abstract
Incoherent beam combination consists of superposing several laser beams on a target. This technique is relatively simple to implement and uses "off-the-shelf" optical components, without active control of the phase or polarization of the input sources. With the Multi-plane Light Conversion (MPLC) technique, tailored and multi-reflective phase element, enabling to obtain an optimal beam quality in terms of divergence for a given number of input beams, we present non-coherent beam combiner of 4 Fibered high power input beams at 1µm with a total M² close to 2,5 and a combining efficiency around 92%.
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Bertrand Denolle, Claire Autebert, Avinash Kumar, Aymeric Lucas, Guillaume Labroille, Jean-François Morizur, Tangi Le Guennic, Pu Jian, François Gustave, Lombard Laurent, Pierre Bourdon, and Anasthase Limery "Incoherent combination of 4×100W high power fibered beams with multi-plane light conversion technology at 1μm", Proc. SPIE PC11982, Components and Packaging for Laser Systems VIII, PC119820A (1 April 2022); https://doi.org/10.1117/12.2614532
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KEYWORDS
Control systems
Diffraction gratings
Optical components
Polarization
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