BEAMFORMING DEVICE

The beam shaper (25A) includes a mode conversion device (27), a collimating lens (28), and a focusing lens (30). The mode conversion device (27) refracts, among laser beams (LB) of incident divergent light, laser beams incident on an outer peripheral side of a central portion (31c) about an optical...

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Bibliographic Details
Main Authors ISHIGURO, Hiroaki, ITO, Ryouhei
Format Patent
LanguageEnglish
French
German
Published 14.08.2024
Subjects
CLADDING OR PLATING BY SOLDERING OR WELDING
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PERFORMING OPERATIONS
PHYSICS
SOLDERING OR UNSOLDERING
TRANSPORTING
WELDING
WORKING BY LASER BEAM
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Summary:The beam shaper (25A) includes a mode conversion device (27), a collimating lens (28), and a focusing lens (30). The mode conversion device (27) refracts, among laser beams (LB) of incident divergent light, laser beams incident on an outer peripheral side of a central portion (31c) about an optical axis towards the optical axis (Ax) to emit as outer peripheral side beams (NDB1), and emits the laser beams incident on the central portion (31c) as central beams (NDB2) having an angle of emergence equal to an angle of incidence. A collimating lens (28) converts the outer peripheral side beams (NDB1) and the central beams (NDB2) emitted from the mode conversion device (27) into collimated light. A focusing lens (30) focuses the outer peripheral side beams (NDB1) and the central beams (NDB2) emitted from the collimating lens (28) .
Bibliography:Application Number: EP20220878374