Controlled Generation of Orbital Angular Momentum Beams With Coherent Beam Combining Digital Laser and Liquid-Crystal q-Plate

We report on versatile orbital angular momentum beam generation through the association of a 61-channels coherent beam combining digital laser and a liquid-crystal q-plate. Particularly, high-order vortex beams that carry orbital angular momentum are generated with radial, azimuthal and/or circular polarization states. The q-plate is designed and manufactured to sustain high average power ensuring that the vortex spatial mode is preserved. The proposed system offers an extra degree of freedom for various applications requesting beam shaping with specific polarization state.

Mots clés

Laser beams Optical fiber amplifiers Optical vortices Optical polarization Absorption Optical fiber polarization Power lasers

Domaines

Optique [physics.optics]

Fichier principal

Controlled_Generation_of_Orbital_Angular_Momentum_Beams_With_Coherent_Beam_Combining_Digital_Laser_and_Liquid-Crystal_q-Plate.pdf (2.52 Mo)

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https://hal.science/hal-04740612

Soumis le : mardi 12 novembre 2024-16:34:48

Dernière modification le : mardi 12 novembre 2024-16:39:48

Dates et versions

hal-04740612 , version 1 (12-11-2024)

Identifiants

HAL Id : hal-04740612 , version 1
DOI : 10.1109/JPHOT.2024.3421244

Citer

Corentin Lechevalier, Claude-Alban Ranély-Vergé-Dépré, Ihsan Fsaifes, Rezki Becheker, Gerben Boer, et al.. Controlled Generation of Orbital Angular Momentum Beams With Coherent Beam Combining Digital Laser and Liquid-Crystal q-Plate. IEEE Photonics Journal, 2024, 16 (4), pp.1502305. ⟨10.1109/JPHOT.2024.3421244⟩. ⟨hal-04740612⟩

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