University of Twente Student Theses
Accuracy Limits of step response Dynamics on Laser-Induced Forward Transfer of a Near-Infrared Nanosecond-Pulse Laser on Thin Gold Films
Fokkema, S.T.C. (2025) Accuracy Limits of step response Dynamics on Laser-Induced Forward Transfer of a Near-Infrared Nanosecond-Pulse Laser on Thin Gold Films.
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| Abstract: | The accuracy of Laser-induced forward transfer (LIFT) with a moving donor and receiver was examined, A nanosecond-pulse laser with a 1064 nm central wavelength onto a 400 nm thick film of gold (Au) was used as a setup. Droplet ejection was well predicted by existing literature on nanosecond LIFT of gold though ablation spots were found on the receiver. No dependence of the donor morphology on the repetition rate was observed. A linear dependence of the deposition deflection on the donor velocity and donor acceleration were found with the deviation still being dominant and within expectations. A step response assembly-scheme was created and analyzed. For preserving acceptable deposit accuracy. Constraints on the four mechanical parameters were established. These findings show the viability of the LIFT setup made and establish constraints on LIFT scalability using a step response scheme and for adjusting a system with a changing equivalent mass. |
| Item Type: | Essay (Bachelor) |
| Faculty: | ET: Engineering Technology |
| Subject: | 50 technical science in general, 51 materials science, 52 mechanical engineering |
| Programme: | Mechanical Engineering BSc (56966) |
| Link to this item: | https://purl.utwente.nl/essays/105277 |
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