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Ultrashort Pulsed Laser Processing at 1 Kilowatt Using a Flexible Multi Beam Approach

Ultrashort Pulsed Laser Processing at 1 Kilowatt Using a Flexible Multi Beam Approach

Objective

The overall objective of the MultiFlex project is to open a market within the European manufacturing sector for high speed Ultra-Short Pulse (USP) processing using kilowatt average laser power and individually modulated multi-beams.
At present Ultra-Short-Pulse-processes are cost-effective only for some specific industrial applications. With commercial available USP-laser-sources and scanning systems contradictory demands regarding precision, flexibility and throughput are often not satisfied simultaneously. Either the available beam power is too small to achieve the desired and necessary throughput, or - in most cases - the high power cannot be applied for achieving high precision high quality processing. The MultiFlex project will overcome this obstacle and pave the way for a widespread, cost-effective application of USP-lasers in industrial manufacturing.
The basic idea behind MultiFlex is to setup a high power “USP laser-dot-matrix-printer”, which consists of a newly developed high power ultrashort pulsed laser with an output power of more than 1 kilowatt and a flexible multi beam optics concept.
Besides the high average power, the laser source provides pulse durations in the femtosecond regime to ensure highest possible process efficiency and quality. The development of a fast, flexible and robust control of the laser pulses is mandatory to ensure highest possible precision.
The high power laser beam is split into a matrix of multi-beams. By enabling the flexible switching of the separated single beams and a control system for compensating field distortions, arbitrary surface structures can be generated with highest precision and throughput.
The USP-laser-dot-matrix-printer developed within MultiFlex will be evaluated on several demonstrator parts as well as in two industrial use cases provided by associated industrial partners (Continental AG & Volkswagen AG).
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Coordinator

FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V.

Address

Hansastrasse 27c
80686 Munchen

Germany

Activity type

Higher or Secondary Education Establishments

EU Contribution

€ 988 590

Participants (5)

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AMPLITUDE SYSTEMES SA

France

EU Contribution

€ 1 227 500

RHEINISCH-WESTFAELISCHE TECHNISCHE HOCHSCHULE AACHEN

Germany

EU Contribution

€ 357 790

LASER ENGINEERING APPLICATIONS SA

Belgium

EU Contribution

€ 1 074 250

A.A

France

EU Contribution

€ 471 875

LASEA FRANCE

France

EU Contribution

€ 622 500

Project information

Grant agreement ID: 825201

Status

Ongoing project

  • Start date

    1 January 2019

  • End date

    31 December 2021

Funded under:

H2020-EU.2.1.1.

  • Overall budget:

    € 4 742 505

  • EU contribution

    € 4 742 505

Coordinated by:

FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V.

Germany