Aktuelle Forschungs- und Entwicklungsergebnisse aus dem LZH auf dem World of Photonics Congress

21. Juni

Optimizing the laser diode ray tracing model for LERP system simulation based on likelihood image sampling
E. Chatzizyrli (1,3), M. Hinkelmann (1,3), A. Afentaki (1), R. Lachmayer (1,2,3), J. Neumann (1,3), D. Kracht (1,3)
1 LZH, 2 Leibniz Universität Hannover, 3 Cluster of Excellence PhoenixD

22. Juni

Hybrid Mode-locking in a Thulium-doped Fiber Mamyshev Osillator
B. Schuhbauer (1), V. Adolfs (1), P. Repgen (1), M. Hinkelmann (1,2), A. Wienke (1), J. Neumann (1,2), D. Kracht (1,2)
1 Laser Zentrum Hannover e.V., 2 Cluster of Excellence PhoenixD)

CD-P.33
Poster
Raum 1

Manufacturing and characterization of frequency tripling mirrors
S. Balendat
Laser Zentrum Hannover e.V.

Invited Talk
Raum 2

3D-Imaging and Quantification of Collagen Networks in Mammary Tumors on different Size Scales
S. Johannsmeier
Laser Zentrum Hannover e.V.

High-power joining of duplex steels using laser beam-submerged arc hybrid welding
R. Lahdo (1), S. Nothdurft (1), J. Hermsdorf (1), P. Urbanek (2), M. Puschmann (2), F. Riedel (2), S. Kaierle (1), L. Overmeyer (1)
1 Laser Zentrum Hannover e.V., 2 Fraunhofer IWU

Laser ablation of thermoplastic composite for aerospace application
H. Dittmar, S. Hirt, V. Wippo, P. Jäschke, S. Kaierle, L. Overmeyer
Laser Zentrum Hannover e.V.

Potential health risks due to emission of hazardous substances during outdoor laser cutting
J. Walter, C. Hennigs, M. Hustedt, J. Hermsdorf, S. Kaierle
Laser Zentrum Hannover e.V.

23. Juni

Investigation of Kovar in PBF-LB/M
A. Abel (1), J. Pufal (1), V. Rymanov (2), C. Hoff (1), J. Hermsdorf (1), S. Kaierle (1), A. Stöhr (2,3), S. Maklouf (3), J. Lackmann (3)
1 Laser Zentrum Hannover e.V.,  2 Microwave Photonics GmbH

Vortrag
Raum 5

Influence of laser focus shift on porosity and surface quality of additively manufactured Ti-6Al-4V
N. Emminghaus, C. Hoff, J. Hermsdorf, S. Kaierle
Laser Zentrum Hannover e.V.

Investigations on the weld seam geometry of ultrasonic assisted laser beam welded round bars in and beside antinode position
J. Grajczak (1), C.  Nowroth (2), S. Nothdurft (1), J. Hermsdorf (1), J. Twiefel (2), J. Wallaschek (2), S. Kaierle (1)
1 Laser Zentrum Hannover e.V., 2 Leibniz Universität Hannover

Molded parts with functional surfaces – how laser microstructuring can be used for low-cost mass products
M. Steinbach, J. Koch, P. Jäschke, S. Kaierle, L. Overmeyer
Laser Zentrum Hannover e.V.

Adjusting the surface roughness of WE43 components manufactured by laser-based powder bed fusion
T. Griemsmann, N. Söhnholz, C. Hoff, J. Hermsdorf, S. Kaierle
Laser Zentrum Hannover e.V.

Enhanced forming behavior of conditioning lines by inserted microstructures for the production of 3D waveguides
Al. Wienke (1), M. Khairulamzari Hamjah (2), G.-A. Hoffmann (1), J. Koch (1), P. Jäschke (1), J. Franke (2), L. Overmeyer (1), S. Kaierle (1)
1 Laser Zentrum Hannover e.V., 2 Friedrich-Alexander-Universität Erlangen-Nürnberg

Investigations on the transmissivity and scattering behavior of additively manufactured components for laser transmission welding applications
J. Kuklik, V. Wippo, P. Jäschke, S. Kaierle, L. Overmeyer
Laser Zentrum Hannover e.V.

Structure-borne acoustic process monitoring of laser metal deposition
I. Buchbender, C. Hoff, J. Hermsdorf, V. Wesling, S. Kaierle
Laser Zentrum Hannover e.V.

Process development for laser hot-wire deposition welding with high-carbon cladding material AISI 52100
L. Budde, M. Lammers, J. Hermsdorf, S. Kaierle, L. Overmeyer
Laser Zentrum Hannover e.V.

Manufacturing of fused silica volume parts by means of laser glass deposition
K. Rettschlag (1,2), S. Stieß (1), P. Jäschke (1), S. Kaierle (1), R. Lachmayer (1,2)
1 Laser Zentrum Hannover e.V.; 2 Leibniz Universität Hannover

24. Juni

Study of Third Harmonic Generation From Thin Gradient Hf_xAl_yO_z Layers
D. Zuber (1,2), S. Kleinert (1,2), A. Tajalli (3), M. Steinecke (4), M. Jupé (2,4), L. Jensen (2,4), D. Ristau (1,2,4), U. Morgner (1,2,4)
1 Leibniz Universität Hannover, 2 Cluster of Excellence PhoenixD, 3 Deutsches Elektronen-Synchrotron DESY, 4 Laser Zentrum Hannover e.V.

Vortrag
Raum 4

Interaction between laser radiation and antifouling coating underwater
S. Zimbelmann (1), B. Emde (1), J. Hermsdorf (1), S. Kaierle (1), Tim Heusinger von Waldegge (2), D. Stübing (2), M. Baumann (3)
1 Laser Zentrum Hannover e.V., 2 Fraunhofer IFAM)

Experimental setup for determination of absorption coefficient of laser radiation in molten metals as a function of temperature and angle
T. Bokelmann (1), M. Lammers (1), J. Hermsdorf (1), S. Emadmostoufi (2), O. Mokrov (2), R. Sharma (2), U. Reisgen (2), S.  Kaierle (1)
1 Laser Zentrum Hannover e.V., 2 RWTH Aachen University

Rotary straightening of fine wire for LMD-W applications
S. Pamin, M. Grafe, M. Lammers, J. Hermsdorf, S. Kaierle, L. Overmeyer
Laser Zentrum Hannover e.V.

Height variation in scanned hot-wire laser surfacing processes

A. Barroi, K. Biester, L. Budde, M. Lammers, J. Hermsdorf, L. Overmeyer
Laser Zentrum Hannover e.V.

Automatic changing of weld deposit for additive manufacturing of hybrid metal-glass components using direct laser deposition
M. Lammers (1,2), K. Biester (1), N. Schwarz (1,2), J. Hermsdorf (1), S. Kaierle (1), H. Ahlers (2)
1 Laser Zentrum Hannover e.V., 2 Hochschule Hannover)