Dipl.-Ing. Verena Wippo
Head of Sustainable Production Department
Production and Systems Department
E-Mail: v.wippo@lzh.dePhone: +49 511 2788-387
Short-Bio
Study of general mechanical engineering at the Leibniz Universität Hannover, graduated as an engineer in 2010.
Verena Wippo had been working at the Laser Zentrum Hannover e.V. from 2011 to 2023, first as a scientific employee in the Composites Group in the Production and Systems Department, then heading the group. From 2024 to July 2026 she worked at Robert Bosch GmbH as manufacturing process development engineer. Since August 2026, Verena Wippo is Head of the Department of Sustainable Production at the LZH.
Main Research Areas
- Laser material processing and surface functionalization of glass, composites and polymers
- Development of customized laser processes and system technology
- Laser-based processes for hydrogen production
- Provision of automation and quality assurance solutions for laser processes
LZH publications
Journal articles (reviewed) (20)
Fatigue performance of laser cut carbon fiber-reinforced epoxy and polyamide 6 considering specimen width
Materials Testing
11
65
2023
Macroscopic simulation model for laser cutting of carbon fibre reinforced plastics
Procedia CIRP
111
496-500
2022
Expert system-supported optimization of laser welding of additively manufactured thermoplastic components
Procedia CIRP
111
470-474
2022
Enabling laser transmission welding of additively manufactured thermoplastic parts using an expert system based on neural networks
Journal of Laser Applications
4
34
042022
2022
Laser microdrilling of CFRP with a nanosecond-pulsed high-power laser
Journal of Laser Applications
4
34
042028
2022
Joining of thermoplastic carbon fiber reinforced plastic laminates by selective heat input during laser cutting
Journal of Laser Applications
33
022011
2021
Individualised and controlled laser beam pre-treatment process for adhesive bonding of fibre-reinforced plastics - part II: Automatic laser process control by spectrometry
Journal of Laser Applications
1
33
012004
2021
Automatically controlled laser-based welding process for repair of CFRP parts
Journal of Laser Applications
1
34
012006
2021
Individualized and Controlled Laser Beam Pre-treatment Process for Adhesive Bonding of Fiber-Reinforced Plastics - Part II: Automatic Laser Process Control by Spectrometry
Proc. International Congress on Applications of Lasers & Electro-Optics (ICALEO)
2020
Laser Transmission Welding of Additive Manufactured Parts: Process Modifications to Reduce Cavities Inside the Weld Seam
Procedia CIRP
94
139-143
2020
Evaluation of Material Based Influences at Laser Based Heat Conduction Welding of CFRP
Proc. International Congress on Applications of Lasers & Electro-Optics (ICALEO)
2018
Temperature distribution during laser based heat conduction welding of CFRP
Procedia CIRP
74
553-556
2018
Laser transmission welding of semi-interpenetrating polymer networks-composites
Journal of Laser Applications
2
29
022407
2017
Influence of moisture content in fiber reinforced polyetherimide on laser weld seam quality
Journal of Laser Applications
2
28
022419
2016
Laser transmission welding of SIPN-Composites
Proc. International Congress on Applications of Lasers & Electro-Optics (ICALEO)
2016
The influence of laser welding processes on the weld seam quality of thermoplastic composites with high moisture content
Physics Procedia
83
1064-1072
2016
Advanced laser welding of high-performance thermoplastic composites
Journal of Laser Applications
S2
27
S29004
2015
Advanced Laser Transmission Welding Strategies for Fibre Reinforced Thermoplastics
Physics Procedia
56
1191-1197
2014
Pyrometrische Temperaturüberwachung für flexible scannerbasierte Laserdurchstrahlschweißprozesse
Joining Plastics - Fügen von Kunststoffen
1
8
39-45
2014
Journal articles (non-reviewed) (31)
Quality-assured laser transmission welding of additively manufactured components with the support of an expert system
Proc. SPIE 12878, High-Power Laser Materials Processing: Applications, Diagnostics, and Systems XIII
1287808
2024
Thermal evaluation of a laser microdrilling process for thin CFRP-laminates
Proc. SPIE 12878, High-Power Laser Materials Processing: Applications, Diagnostics, and Systems XIII
128780H
2024
Thermal evaluation of a laser microdrilling process for thin CFRP-laminates
Proc. SPIE 12878, High-Power Laser Materials Processing: Applications, Diagnostics, and Systems XIII
128780H
2024
Laser Cutting of Semi-Finished CFRTP Products for Better Resource Efficiency
Proceedings of the 42nd International Congress on Applications of Lasers and Electro-Optics (ICALEO)
2023
Finite Element Simulation of Process Temperatures During Laser Based Cutting of Unidirectional CFRP and Evaluation of Heat Affected Zone
Proceedings of the Sampe Europe Conference
2023
Bewertung der Untersuchungen zu den Gefahren und zur Toxikologie von Faserbruchstücken beim Laserstrahltrennen von Faserverbundkunststoffen
Proceedings der 30. Fachtagung „Experimentelle Strömungsmechanik“
2023
Implementation of a multispot optic for temperature field-adapted welding of complex plastic components
SPIE Proceeding Vol. 12414, High-Power Laser Materials Processing
74-79
2023
Development of innovative laser based processes for the aerospace industry
Proceedings of the Laser Processing for Industry Conference
2023
Modelling of CFRP Laser Repair to Predict Ablation Depth
Proceedings of the 41st International Congress on Applications of Lasers & Electro-Optics (ICALEO)
41
Macro 203
2022
Laser welding of additively manufactured thermoplastic components assisted by a neural network-based expert system
SPIE Proceedings Vol. 11994: High-Power Laser Materials Processing: Applications, Diagnostics, and Systems XI
119940G-1 - 119940G-6
2022
Thermal process control for laser micro-drilling of thin CFRP-laminates
SPIE Proceedings Vol. 11994: High-Power Laser Materials Processing: Applications, Diagnostics, and Systems XI
1199407
2022
Comparison between wavelengths of 940 nm and 1530 nm for laser transmission welding of glass fiber reinforced PPS
SPIE Proceedings Vol. 11994: High-Power Laser Materials Processing: Applications, Diagnostics, and Systems XI
119940J
2022
Laser ablation of thermoplastic composite for aerospace application
Proc. Lasers in Manufacturing (LiM)
2021
Investigations on the transmissivity and scattering behavior of additively manufactured components for laser transmission welding applications
Proc. Lasers in Manufacturing (LiM)
2021
Minimierung der Risiken durch Kontamination im Arbeitsumfeld und Betrachtung der Toxikologie von Faserbruchstücken beim Laserstrahltrennen von Faserverbundkunststoffen
Fachtagung „Experimentelle Strömungsmechanik“ der German Association for Laser Anemometry (GALA) (Fachtagung „Experimentelle Strömungsmechanik“ der German Association for Laser Anemometry (GALA))
34.1-34.9
2021
Laser-based welding for repair of thermoplastic CFRP composites
Proc. International Congress on Applications of Lasers & Electro-Optics (ICALEO)
2020
Laser drilling of CFRP for aerospace applications – High quality and yet fast?
Proceedings of International Conference & Exhibition on Thermoplastic Composites
264-268
2020
Laser Transmission Welding With A Multi-Focal Optic
Proc. International Congress on Applications of Lasers & Electro-Optics (ICALEO)
2020
Laser based repair of CFRP for the aerospace industry
SPIE Proceedings Vol. 11273: High-Power Laser Materials Processing: Applications, Diagnostics, and Systems IX
112730G
2020
Joining of thermoplastic CFRP laminates by selective heat input during laser cutting
Proc. International Congress on Applications of Lasers & Electro-Optics (ICALEO)
2019
How laser technology can contribute to foster a widespread use of advanced composite materials for light weight applications
SPIE Proceedings Vol. 10911: High-Power Laser Materials Processing: Applications, Diagnostics, and Systems VIII
10911
1091108
2019
Laser transmission welding of additive manufactured components
Proc. International Congress on Applications of Lasers & Electro-Optics (ICALEO)
macro 302
2019
Laser heat conduction welding of CFRP with modified matrix material
SPIE Proceedings Vol. 10911: High-Power Laser Materials Processing: Applications, Diagnostics, and Systems VIII
109110T
2019
Mechanical performance of long fibre reinforced stiffener panels manufactured using laser welding
Proc. European Conference on Composite Materials (ECCM)
2016
How lasers can increase the efficient processing of composites
Proc. International Symposium on Laser Precision Microfabrication (LPM)
2016
Laser Cutting And The Influence On The Mechanical Properties Of Long Fibre Reinforced CF-PPS And CF-PEI
Proc. European Conference on Composite Materials (ECCM)
1-9
2016
Laser heat conduction welding of inline cleaned endless carbon fibre reinforced thermoplastics
Proc. European Conference on Composite Materials (ECCM)
2016
Schnelles und flexibles Fügen von Faserverbundbauteilen mittels Laserstrahlung
Konstruktionspraxis
9
80-82
2015
Laser Cutting of Semi-Finished CFRTP Products for Better Resource Efficiency
Proceedings of the 42nd International Congress on Applications of Lasers and Electro-Optics (ICALEO)
Conference papers (57)
Quality-assured laser transmission welding of additively manufactured components with the support of an expert system
SPIE Photonics West: LASE
27. Januar - 01. Feburar
San Francisco
2024
Thermal evaluation of a laser microdrilling process for thin CFRP-laminates
SPIE Photonics West: LASE
27. Januar - 01. Februar
San Francisco
2024
Thermal evaluation of a laser microdrilling process for thin CFRP-laminates
SPIE Photonics West: LASE
27. Januar - 01. Februar
San Francisco
2024
Laser Cutting of Semi-Finished CFRTP Products for Better Resource Efficiency
42nd International Congress on Applications of Lasers and Electro-Optics (ICALEO)
16.-19. Oktober
Chicago
2023
Laser Cutting of Semi-Finished CFRTP Products for Better Resource Efficiency
42nd International Congress on Applications of Lasers and Electro-Optics (ICALEO)
Chicago
2023
Finite Element Simulation of Process Temperatures During Laser Based Cutting of Unidirectional CFRP and Evaluation of Heat Affected Zone
SAMPE Europe Conference
03.- 05. Oktober
Madrid
2023
Does the Color Really Matter? New Approach to Laser Transmission Welding for Design and Repair
International Congress on Applications of Lasers & Electro-Optics (ICALEO)
15.-19. Oktober
Chicago
2023
Advanced Laser Micro and Macro Drilling of CFRP for Aerospace Applications
International Conference on Composite Materials (ICCM)
30. Juli - 04. August
Belfast
2023
Bewertung der Untersuchungen zu den Gefahren und zur Toxikologie von Faserbruchstücken beim Laserstrahltrennen von Faserver-bundkunststoffen
30. Fachtagung „Experimentelle Strömungsmechanik“
06. September
München
2023
Implementation of a multispot optic for temperature field-adapted welding of complex plastic components
SPIE Photonics West: LASE
28. Januar - 02. Februar
San Francisco
2023
Development of innovative laser based processes for the aerospace industry
Laser Processing for Industry - Conference (PLI)
27.-28. September
Rennes
2023
Modelling of CFRP Laser Repair to Predict Ablation Depth
International Congress on Applications of Lasers & Electro-Optics (ICALEO)
16.-20. Oktober
Orlando
2022
Macroscopic simulation model for laser cutting of carbon fibre reinforced plastics
12th CIRP Conference on Photonic Technologies (Lane 2022)
04.-08. September
Fürth
2022
Laser welding of additively manufactured thermoplastic components assisted by a neural network-based expert system
SPIE Photonics West: LASE
22.-27. Januar
San Francisco
2022
Enabling laser transmission welding of additively manufactured thermoplastic parts using an expert system based on neural networks
International Congress on Applications of Lasers & Electro Optics (ICALEO)
17.-20. Oktober
Orlando
2022
Expert system-supported optimization of laser welding of additively manufactured thermoplastic components
12th CIRP Conference on Photonic Technologies (LANE)
04.-08. September
Fürth
2022
Laser microdrilling of CFRP with a nanosecondpulsed high-power laser
International Congress of Applications of Lasers & Electro-Optics (ICALEO)
16.-20. Oktober
Orlando
2022
Thermal process control for laser micro-drilling of thin CFRP-laminates
SPIE Photonics West: LASE
22.-27. Januar
San Francisco
2022
Optimierung der Faserprobenahme im Hinblick auf Größenseparation und Maximierung der Massenausbeute zur Untersuchung der Toxikologie von Faserbruchstücken
29. Fachtagung „Experimentelle Strömungsmechanik“
06.-08. September
Ilmenau
2022
Comparison between wavelengths of 940nm and 1530nm for laser transmission welding of glass fiber reinforced PPS
SPIE Photonics West: LASE
22.-27. Januar
San Francisco
2022
Laser ablation of thermoplastic composite for aerospace application
Conference on Lasers in Manufacturing (LiM)
21.-24. Juni
online
2021
Investigations on the transmissivity and scattering behavior of additively manufactured components for laser transmission welding applications
Lasers in Manufacturing (LiM)
21.-24. Juni
online
2021
Minimierung der Risiken durch Kontamination im Arbeitsumfeld und Betrachtung der Toxikologie von Faserbruchstücken beim Laserstrahltrennen von Faserverbundkunststoffen
Fachtagung „Experimentelle Strömungsmechanik“
07.-09. September
Bremen
2021
Individualised and controlled laser beam pre-treatment process for adhesive bonding of fibre-reinforced plastics - Part II: automatic laser process controlled by spectrometry
International Congress on Applications of Lasers & Electro-Optics (ICALEO)
20. Oktober
online
2020
Laser Transmission Welding of Additive Manufactured Parts: Process Modifications to Reduce Cavities Inside the Weld Seam
11th CIRP Conference on Photonic Technologies (LANE)
07.-10. September
online
2020
Laserbohren von Verbundwerkstoffen - Hochqualitativ und dabei effizient
10. IfW-Fachtagung „Prozesskette Bearbeitung von Verbundwerkstoffen“ (PKV)
30. November - 3. Dezember
online
2020
Laser based repair of CFRP for the aerospace industry
Photonics West: High-Power Laser Materials Processing: Applications, Diagnostics, and Systems IX
01.-06. Februar
online
2020
Laser Transmission Welding With A Multi-Focal Optic
International Congress on Applications of Lasers & Electro Optics (ICALEO)
19.-22. Oktober
online
2020
Joining of thermoplastic CFRP laminates by selective heat input during laser cutting
International Congress on Applications of Lasers & Electro-Optics (ICALEO)
07.-10. Oktober
Orlando
2019
Laser transmission welding of advanced thermoplastic composites as key enabler for the development of a new type of aircraft lin
EUROMAT 2019
01.-05. September
Stockholm
2019
How laser technology can contribute to foster a widespread use of advanced composite materials for light weight applications
SPIE Photonics West: LASE
03.-07. Februar
San Francisco
2019
Joining of dissimilar materials for lightweight construction in automotive, aerospace and shipbuilding
6\textsuperscriptth Industrial Laser Applications Symposium (ILAS 2019)
20.-21. März
Crewe
2019
Laser Transmission Welding of Additive Manufactured Components
International Congress on Applications of Lasers & Electro Optics (ICALEO)
06.-10. Oktober
Orlando
2019
Laser heat conduction welding of CFRP with modified matrix material
SPIE Photonics West: LASE
02.-07. Februar
San Francisco
2019
A New Generation of Thermoplastic Lining Panels for Aerospace Application
International Conference & Exhibition on Thermoplastic Composites (ITHEC)
31. Oktober
Bremen
2018
Evaluation of Material Based Influences at Laser Based Heat Conduction Welding of CFRP
International Congress on Applications of Lasers & Electro-Optics (ICALEO)
17. Oktober
Orlando
2018
Temperature distribution during laser based heat conduction welding of CFRP
International Conference on Photonic Technologies (LANE)
05. September
Fürth
2018
Laserstrahlschweißen thermoplastischer Faserverbundstrukturen für die Luftfahrt
Symposium Photonischer Leichtbau
14.-15. März
Garbsen
2018
Laser welding and cutting of long fibre reinforced thermoplastic composites and the influence on mechanical properties for lightweight structural applications
Plastics-in-Motion-Global Automotive Plastics Congress & Exhibit
09.-11. Mai
Charleston
2016
Mechanical performance of long fibre reinforced stiffener panels manufactured using laser welding
European Conference on Composite Materials (ECCM)
26.-30. Juni
München
2016
How lasers can increase the efficient processing of composites
International Symposium on Laser Precision Microfabrication (LPM)
23.-27. Mai
Xi'an
2016
Laser Cutting And The Influence On The Mechanical Properties Of Long Fibre Reinforced CF-PPS And CF-PEI
European Conference on Composite Materials (ECCM)
26.-30. Juni
München
2016
Laser welding of carbon fiber reinforced thermoplastics
International Congress on Applications of Lasers & Electro Optics (ICALEO)
16.-20. Oktober
San Diego
2016
Laser transmission welding of SIPN-Composites
International Congress on Applications of Lasers & Electro Optics (ICALEO)
16.-20. Oktober
San Diego
2016
Laser heat conduction welding of inline cleaned endless carbon fibre reinforced thermoplastics
European Conference on Composite Materials (ECCM)
26.-30. Juni
München
2016
The influence of laser welding processes on the weld seam quality of thermoplastic composites with high moisture content
International Conference on Photonic Technologies (LANE)
19.-22. September
Fürth
2016
Temperature monitoring independent of laser‐beam‐position during laser transmission welding of fibre reinforced thermoplastics
Conference on Lasers in Manufacturing (LiM)
22.-25. Juni
München
2015
Schnelles und zuverlässiges Schweißen von Hochleistungs-Faserverbundbauteilen mittels Laserstrahlung
DVS Congress
14.-17. September
Nürnberg
2015
Controlled laser welding of thermoplastic interior structures
International Congress on Applications of Lasers & Electro Optics (ICALEO)
18.-22. Oktober
Atlanta
2015
Influence of moisture content in fiber reinforced polyetherimide on laser weld seam quality
International Congress on Applications of Lasers & Electro Optics (ICALEO)
18.-22. Oktober
Atlanta
2015
The influence of moisture content on the weld seam quality for laser welded thermoplastic composites
International Conference on Composite Materials (ICCM)
19.-24. Juli
Kopenhagen
2015
Laser transmission welding of thermoplastic composite structures
SEICO, SAMPE EUROPE International Conference and Forum
10.-11. März
Paris
2014
Advanced laser welding of high-performance thermoplastic composites
International Congress on Applications of Lasers & Electro Optics (ICALEO)
19.-23. Oktober
San Diego
2014
Laser machining of CFRP using a high power laser - Investigation on the heat affected zone
European Conference on Composite Materials (ECCM)
24.-26. Juni
Venedig
2012
Development of innovative laser based processes for composites repair and processing using ablating and welding techniques
International Symposium on Laser Processing for CFRP and Composite Materials (LPCC)
26.-27. April
Yokohama
2012
The influence of carbon fibres on the temperature distribution during the laser transmission welding process
European Conference on Composite Materials (ECCM)
24.-28. Juni
Venedig
2012