Institut für Strahlwerkzeuge

The Institut für Strahlwerkzeuge (IFSW) of the University of Stuttgart, founded in 1986, is reputed as one of the leading laser research centres worldwide. Its strength is based on a holistic research approach covering every aspect from laser sources to their applications and ranging from fundamental investigations to industrial technology transfer. The main activities at the IFSW are currently concerned with selected topics in the fields of laser beam sources (especially the thin-disk laser), optical elements and components for beam delivery and beam shaping as well as fundamental investigations on the light-matter interaction with the subsequent process development of macro and micro applications for industrial manufacturing.

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31 to 40 of 259 Results

Setup for High-Speed Synchrotron X-Ray Imaging of Laser Drilling at the DESY Nov 5, 2024 Schneller, Lukas; Henn, Manuel; Buser, Matthias, 2024, "Setup for High-Speed Synchrotron X-Ray Imaging of Laser Drilling at the DESY", https://doi.org/10.18419/DARUS-4348, DaRUS, V1 The image shows the High-Speed Synchrotron X-Ray Imaging setup at the Deutsches Elektronen Synchrotron (DESY) in Hamburg. It is used to capture X-ray imaging sequences of a laser drilling process with an ultrafast Yb:YAG laser with an output wavelength of 1030 nm. The polarization could be adjusted by two λ/4 and λ/2 waveplates which were placed be...
setup_desy_darus.png Nov 5, 2024 - Setup for High-Speed Synchrotron X-Ray Imaging of Laser Drilling at the DESY PNG Image - 591.8 KB - MD5: 7ca05f1ad3bbd19b87706ff7d11e710c The image shows the High-Speed Synchrotron X-Ray Imaging setup at the Deutsches Elektronen Synchrotron (DESY) in Hamburg.
Synchrotron X-ray video of full-penetration laser welding of aluminum AA1050A Jun 4, 2024 Wagner, Jonas; Hagenlocher, Christian; Weber, Rudolf; Hummel, Marc; Beckmann, Felix; Moosmann, Julian; Graf, Thomas, 2024, "Synchrotron X-ray video of full-penetration laser welding of aluminum AA1050A", https://doi.org/10.18419/DARUS-3860, DaRUS, V1 The video shows a synchrotron x-ray video of full-penetration laser welding of the aluminum alloy AA1050A (Al99.5). At the beginning of the video the transition from partial penetration welding with a keyhole which is closed at its bottom to full-penetration welding with a keyhole which is opened at its bottom can be observed. The images show that...
full_penetration_welding_aluminum.avi Jun 4, 2024 - Synchrotron X-ray video of full-penetration laser welding of aluminum AA1050A AVI Video - 102.5 MB - MD5: e21773391657105dd416987e3988df1f
Data for: "Influence of beam parameters on the capillary formation in partial and full penetration in high speed laser beam welding of metals" Jun 4, 2024 Hinterkopf, Christoph, 2024, "Data for: "Influence of beam parameters on the capillary formation in partial and full penetration in high speed laser beam welding of metals"", https://doi.org/10.18419/DARUS-2111, DaRUS, V1 In this experiment copper and aluminum were partially and fully penetrated at high speed with a laser beam. The structure as well as the depth of the capillary were filmed with an X-Ray machine. The video footage were used to reconstruct and later ray traced to analyse the thermal efficiency
capillary formation Al.PNG Jun 4, 2024 - Data for: "Influence of beam parameters on the capillary formation in partial and full penetration in high speed laser beam welding of metals" PNG Image - 264.5 KB - MD5: 510d82b2b9b43d4a7c308b6401a07fae capillary formation of a laser welding process in aluminium AlMg3, spot diameter 100 µm
capillary formation Cu.PNG Jun 4, 2024 - Data for: "Influence of beam parameters on the capillary formation in partial and full penetration in high speed laser beam welding of metals" PNG Image - 340.0 KB - MD5: 58eebd9e7d6abc504444435a8185092a capillary formation of a laser welding process in a 1 mm thick sheet of copper Cu K75, spot diameter 100 µm
Laborbuch_IFSW-21-12.pdf Jun 4, 2024 - Data for: "Influence of beam parameters on the capillary formation in partial and full penetration in high speed laser beam welding of metals" Adobe PDF - 2.3 MB - MD5: 3295137fe671a07a0acc7b727cdf5e55 PDF version of Laborbuch_IFSW-21-12.xslx
Laborbuch_IFSW-21-12.xlsx Jun 4, 2024 - Data for: "Influence of beam parameters on the capillary formation in partial and full penetration in high speed laser beam welding of metals" MS Excel Spreadsheet - 9.9 MB - MD5: 42dc822b0ca19b79f2bceeb4618bec9f experimental/evaluation table
Maßstab_Roentgenaufnahmen_IFSW-21-12.pdf Jun 4, 2024 - Data for: "Influence of beam parameters on the capillary formation in partial and full penetration in high speed laser beam welding of metals" Adobe PDF - 577.9 KB - MD5: 1bb44deea1a5fdb205b71e96bbb773fb PDF version of Maßstab Röntgenaufnahmen IFSW-2112.xslx

Setup for High-Speed Synchrotron X-Ray Imaging of Laser Drilling at the DESY

Nov 5, 2024

Schneller, Lukas; Henn, Manuel; Buser, Matthias, 2024, "Setup for High-Speed Synchrotron X-Ray Imaging of Laser Drilling at the DESY", https://doi.org/10.18419/DARUS-4348, DaRUS, V1

The image shows the High-Speed Synchrotron X-Ray Imaging setup at the Deutsches Elektronen Synchrotron (DESY) in Hamburg. It is used to capture X-ray imaging sequences of a laser drilling process with an ultrafast Yb:YAG laser with an output wavelength of 1030 nm. The polarization could be adjusted by two λ/4 and λ/2 waveplates which were placed be...

setup_desy_darus.png

Nov 5, 2024 - Setup for High-Speed Synchrotron X-Ray Imaging of Laser Drilling at the DESY

PNG Image - 591.8 KB -

The image shows the High-Speed Synchrotron X-Ray Imaging setup at the Deutsches Elektronen Synchrotron (DESY) in Hamburg.

Synchrotron X-ray video of full-penetration laser welding of aluminum AA1050A

Jun 4, 2024

Wagner, Jonas; Hagenlocher, Christian; Weber, Rudolf; Hummel, Marc; Beckmann, Felix; Moosmann, Julian; Graf, Thomas, 2024, "Synchrotron X-ray video of full-penetration laser welding of aluminum AA1050A", https://doi.org/10.18419/DARUS-3860, DaRUS, V1

The video shows a synchrotron x-ray video of full-penetration laser welding of the aluminum alloy AA1050A (Al99.5). At the beginning of the video the transition from partial penetration welding with a keyhole which is closed at its bottom to full-penetration welding with a keyhole which is opened at its bottom can be observed. The images show that...

full_penetration_welding_aluminum.avi

Jun 4, 2024 - Synchrotron X-ray video of full-penetration laser welding of aluminum AA1050A

AVI Video - 102.5 MB -

Data for: "Influence of beam parameters on the capillary formation in partial and full penetration in high speed laser beam welding of metals"

Jun 4, 2024

Hinterkopf, Christoph, 2024, "Data for: "Influence of beam parameters on the capillary formation in partial and full penetration in high speed laser beam welding of metals"", https://doi.org/10.18419/DARUS-2111, DaRUS, V1

In this experiment copper and aluminum were partially and fully penetrated at high speed with a laser beam. The structure as well as the depth of the capillary were filmed with an X-Ray machine. The video footage were used to reconstruct and later ray traced to analyse the thermal efficiency

capillary formation Al.PNG

Jun 4, 2024 - Data for: "Influence of beam parameters on the capillary formation in partial and full penetration in high speed laser beam welding of metals"

PNG Image - 264.5 KB -

capillary formation of a laser welding process in aluminium AlMg3, spot diameter 100 µm

capillary formation Cu.PNG

Jun 4, 2024 - Data for: "Influence of beam parameters on the capillary formation in partial and full penetration in high speed laser beam welding of metals"

PNG Image - 340.0 KB -

capillary formation of a laser welding process in a 1 mm thick sheet of copper Cu K75, spot diameter 100 µm

Laborbuch_IFSW-21-12.pdf

Jun 4, 2024 - Data for: "Influence of beam parameters on the capillary formation in partial and full penetration in high speed laser beam welding of metals"

Adobe PDF - 2.3 MB -

PDF version of Laborbuch_IFSW-21-12.xslx