A5082606844- Laser Material Processing Techniques
- Additive Manufacturing and 3D Printing Technologies
- Semiconductor Lasers and Optical Devices
- Additive Manufacturing Materials and Processes
- Advanced Fiber Optic Sensors
- Mechanical and Optical Resonators
- Solid State Laser Technologies
- Nanofabrication and Lithography Techniques
- Advanced MEMS and NEMS Technologies
- Glass properties and applications
- Photoacoustic and Ultrasonic Imaging
- Advanced optical system design
- Silicone and Siloxane Chemistry
- Photonic Crystal and Fiber Optics
- Ultrasound and Cavitation Phenomena
- Optical Network Technologies
- Nanotechnology research and applications
- Intraocular Surgery and Lenses
- Laser-induced spectroscopy and plasma
- Laser Design and Applications
- Photonic and Optical Devices
- Optical Coherence Tomography Applications
- Advanced Fiber Laser Technologies
- Manufacturing Process and Optimization
- Ocular and Laser Science Research
Laser Zentrum Hannover
2016-2024
Phoenix Contact (Germany)
2023
There is an increasing demand for highly integrated optical and optoelectronical devices that provide active laser emission, adaptability low losses. A well-established production technology customized structures with high functionality geometrical flexibility additive manufacturing (AM). It enables new constructional degrees of freedom to overcome the limitations substractive material processing such as milling drilling. Commercial AM systems metals polymers are ubiquitous; whereas glass...
Fiber-based laser and amplifier systems provide high output power, excellent beam quality easy handling by utilizing a setup consisting of fiber components like signal-pump combiners cladding-light strippers. Large-mode-area fibers are used in these to improve the performance while maintaining single-mode operation. Compared pure fibers, always guide higher order modes, which can have an impact on system's performance. An instrument was developed based S<sup>2</sup>-method, is able perform...
The use of additive manufacturing methods in research and industry has led to the possibility designing more compact, light low-cost assemblies. In field laser development, new opportunities resulting from have rarely been considered so far. We present a lightweight solid-state amplifier system for low-power applications where optomechanical components are manufactured completely via Fused Filament Fabrication (FFF). is based on Nd:YVO<sub>4</sub>-crystal pumped with an external,...
An advantage of using additive manufacturing (AM) processes as opposed to conventional fabrication methods is that the additional degrees freedom in design allow compact and at same time lightweight components be manufactured. In addition, AM reduces material consumption, resulting a more cost efficient production. Among others, field laser development benefits from progressive implementation AM-related opportunities. However, this integration mostly limited single components. contrast, we...
Nowadays, customized optomechanics for complex optical setups are increasingly manufactured additively using the polymer-based process of fused filament fabrication. In this article, a kinematic polymer mirror holder is demonstrated, in which imprinted and thus fixed against misalignment. Furthermore, necessary spring system ball joint single printing process. This can then be embedded into an also printed cage system. Mirror mounts made different polymers examined compared with each other....
The interaction effect of photodisruption, which is used for dissection biological tissue with fs-laser pulses, has been intensively studied inside water as prevalent sample medium. In this case, the single highly reproducible and, hence, method time-resolved photography sufficiently applicable. contrast, reproducibility significantly decreases analyzing more solid and anisotropic media like tissue. Therefore, a high-speed photographic approach necessary in case. presented study introduces...
Purpose This study aims to extend the known design guidelines for polymer-based fused filament fabrication (FFF) 3D printing process with focus on function-integrated components, specifically optomechanical parts. The potential of this approach is demonstrated by manufacturing optomechanics a low-power solid-state laser system. Design/methodology/approach For production additively manufactured using FFF process, essential components and subsystems have been identified which no are available....
Integrated optics are an innovation driver for a multitude of industrial applications like autonomous driving or point-of-care diagnostics. With the increasing demand miniaturized, low-cost optical systems, new methods fabricating tailored graded index micro-optics required. Additive manufacturing is promising technology this not only due to its high design freedom, but also because potential function integration via multi-material printing into digitized process chains. In fact, additive...
Photonic integrated circuits (PIC) have been established for miniaturized, on-chip optical systems. Current approaches producing PICs mostly rely on semiconductor processing technologies, which are complex and costintensive. A promising alternative with the potential to revolutionize PIC fabrication is additive manufacturing (AM), offers opportunity develop tailored customized waveguide designs functionalities needed in fast-evolving modern applications like Internet of Things. Here, an AM...
Die traditionelle Laserentwicklung basiert auf einer Vielzahl von diskreten Bauteilen mit thermischer, struktureller oder optomechanischer Funktionalitat. Durch die Kombination innovativen Designkonzepten der additiven Fertigung wird kostengunstige Herstellung hochkomplexer optischer Systeme in funktionsintegrierten erstmals moglich. Wahrend generative Fertigungsverfahren, wie sogenannte Fused Filament Fabrication (FFF), im Bereich Strukturbauteile bereits weit verbreitet sind, ist deren...
In this contribution, we demonstrate the capabilities of additive manufacturing (AM) to transfer complex optical assemblies into function-integrated systems. The Fused Filament Fabrication (FFF) technique is combined with print-pause-print (PpP) scheme and possibilities multi-material printing. Thereby conventional optics are fully embedded a lightweight compact 3D printed optomechanic for solid-state laser system. An characterization system proves functionality in comparison setups discrete...