Current research and development results of the LZH at the World of Photonics Congress
06/04/2021

From June 20th to 24th, 2021, the 25th World of Photonics Congress is taking place as a virtual platform for photonic technologies. Many of the more than 2000 lectures and posters show current research and development results from the LZH.

The conferences CLEO® / Europe-EQEC, Lasers in Manufacturing (LiM), European Conferences on Biomedical Optics (ECBO), Digital Optical Technologies and Optical Metrology cover all areas of photonics. Every registered attendee has access to all conferences.

Overview of the LZH presentations:

June 21st

  CLEO® / Europe – EQEC 2021
13:30 CEST EJ-P.6
Oral presentation
Room 3

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

 

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June 22nd

  CLEO® / Europe – EQEC 2021
19:15  CEST CJ-2.4
Oral presentation
Room 4

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)

13:30  CEST

CD-P.33
Poster
Room 1

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

    ECBO
18:45  CEST
ETu4B.3

Invited Talk
Room 2

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

   
10:00 CEST Oral presentation
Room 1

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

11:15  CEST Oral presentation
Room 3

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.

11:30  CEST Oral presentation
Room 4

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.

 

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June 23rd

 
10:00  CEST Oral presentation
Room 2

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

10:45  CEST

Oral presentation
Room 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.

11:15  CEST Oral presentation
Room 1

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

11:15  CEST Oral presentation
Room 4

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.

12:00  CEST Oral presentation
Room 2

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.

13:30  CEST Oral presentation
Room 4

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

13:45  CEST Oral presentation
Room 1

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.

13:45  CEST Oral presentation
Room 2

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

14:15  CEST Oral presentation
Room 2

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.

15:45  CEST Oral presentation
Room 2

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

 

 

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June 24th

  CLEO® / Europe – EQEC 2021
12:15  CEST Oral presentation
CE-9.5
Room 12

Study of Third Harmonic Generation From Thin Gradient HfxAlyOz 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.

   
10:30  CEST

Oral presentation
Room 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)

10:30  CEST Oral presentation
Room 5

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

15:15  CEST Oral presentation
Room 2

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.

15:30  CEST Oral presentation
Room 2

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.

15:45  CEST Oral presentation
Room 2

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)

 

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