Head of the Photonics Packaging Group
Photonics Integration Department
E-Mail: g.hoffmann@lzh.dePhone: +49 511 2788-253
Short-Bio
Study of mechatronics at the Leibniz Universität Hannover, Master of Science degree in 2015. From 2015 to 2021, scientific employee at the Institute for Transport and Automation Technology (ITA) at Leibniz Universität Hannover, leader of the optronics workgroup until 2021.
Since 2021, Gerd-Albert Hoffmann has been working at Laser Zentrum Hannover e. V. From 2021 to 2024, he led the Optics Integration Group, and since January 2025, he has been heading the Photonic Packaging Group in the Photonic Integration Department.
Main Research Areas
- Optical packaging and connectivity
- Production technologies for optics integration
- Optical functional coatings
LZH publications
Journal articles (reviewed) (9)
Thermoforming of planar polymer optical waveguides for integrated optics in smart packaging materials
J. Mater. Process. Tech.
285
116763
2020
Surface functionalization of flexographic printing forms using a femtosecond laser for adjustable material transfer in MID prod
SPIE Proceedings Vol. 11267: Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXV
112670F
2020
Improving partial wetting resolution on flexible substrates for application of polymer optical waveguides
Optical Engineering
10
56
103109
2017
Manufacturing of polymer optical waveguides using self-assembly effect on pre-conditioned 3D-thermoformed flexible substrates
SPIE Proceedings Vol. 10115: Advanced Fabrication Technologies for Micro/Nano Optics and Photonics X
1011503
2017
Approach for the production chain of printed polymer optical waveguides – an overview
Applied Optics
31
56
8607-8617
2017
Method for evaluating the behavior of laser welded dissimilar material seams in single overlap configuration under impact loads by the example of twinning induced plasticity steels
Journal of Laser Applications
S2
27
290061-290066
2015
Journal articles (non-reviewed) (6)
Integrable thin-film Fabry-Pérot type electro-optic modulator
Proc. SPIE 13020, Advances in Optical Thin Films VIII
130200E
2024
Spectrally aligned integration of miniaturized substrate-free thin-film filters for fiber optical networks
SPIE Proceedings Vol. 12666, Current Developments in Lens Design and Optical Engineering XXIV
126660M
2023
Fabry-Pérot Type Thin-Film Electro-Optical Modulator in the λ = 900 nm to 1000 nm Spectral Region
Proc. Conference on Lasers and Electro-Optics/Europe (CLEO/Europe) and European Quantum Electronics Conference (EQEC)
2023
Study of rotary atomic layer deposition for optical applications
SPIE Proceedings Vol. 12002: Oxide-based Materials and Devices XIII
120020D
2022
Enabling rotary Atomic Layer Deposition for optical applications
Proceedings of the Optical Interference Coatings Conference (OIC)
TC.1
2022
Substrate-free miniaturized coarse wavelength division multiplexing filters
Proceedings of the Optical Interference Coatings Conference (OIC)
MD-5
2022
Conference papers (16)
Miniaturized Substrateless Thin Film Filters for Optics Integration
Workshop: Sputtering for Precision Optics II – Digital Transformation Driven Trends in the Coating Technology
11. Juni
Alzenau
2024
Characterization of the thermal stability of IBS coated substrate free miniaturized filters
SPIE Optical Systems Design
08. - 11. April
Straßburg
2024
Integrable thin-film Fabry-Pérot type electro-optic modulator
Advances in Optical Thin Films VIII
07.-11. April
Straßburg
2024
Miniaturized thin-film electro-optic modulatorfor hybrid PICs
The European Physical Society Forum (EPS)
25.-27. März
Berlin
2024
Spectrally aligned integration of miniaturized substrate-free thin-film filters for fiber optical networks
Current Developments in Lens Design and Optical Engineering XXIV
San Diego
2023
Spectrally aligned integration of miniaturized substrate-free thin-film filters for fiber optical networks
SPIE Optical Engineering + Applications
22. August
San Diego
2023
Fabry-Pérot Type Thin-Film Electro-Optical Modulator in the λ = 900 nm to 1000 nm Spectral Region
Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)
26.-30. Juni
München
2023
Enabling rotary Atomic Layer Deposition for optical applications
Optical Interference Coatings Conference
19.-24. Juni
Whistler
2022
Study of rotary atomic layer deposition for optical applications
SPIE Photonics West: OPTO
22.-27. Januar
San Francisco
2022
Substrate-free miniaturized coarse wavelength division multiplexing filters
Optical Interference Coatings Conference (OIC)
19.-24. Juni
Whistler
2022
Miniaturized substrate-free multilayer thin films for hybrid integrated photonics systems
The European Physical Society Forum
02.-03. Juni
Paris
2022
Combining miniaturization, high precision and active switching capability to develop cost-efficient thin-film filters for hybrid integration
Humboldt meets Leibniz: Emerging Topics in Optics and Photonics
12.-14. Juni
Hannover
2022
Miniaturized Thin-Film Components for a Hybrid Integrated Optical Micro-Platform
PhoenixD Laser Day 2022
15. Juni
Hannover
2022
Surface functionalization of flexographic printing forms using a femtosecond laser for adjustable material transfer in MID produ
SPIE Photonics West: LASE
01.-06. Februar
San Francisco
2020
Ablation and functionalization of flexographic printing forms using femtosecond lasers for additively manufactured polymer-optical waveguides
11th CIRP Conference on Photonic Technologies (LANE)
07.-10. September
online
2020
Conditioning of Flexible Substrates for Polymer Optical Waveguides with Laser Structured Printing Forms
IEEE Photonics Conference (IPC)
02.-06. Oktober
Waikoloa
2016
Book chapters (2)
Conditioning of Flexible Substrates for the Application of Optical Waveguides
In:
Optical Polymer Waveguides
Springer
Cham
2022
Feasibility of Printed Optical Waveguides Over the Entire Process Chain by OPTAVER
In:
Optical Polymer Waveguides
Springer
Cham
2022