Fabrication of multilayer metamaterials by femtosecond laser-induced forward-transfer technique

A novel method based on femtosecond laser‐induced forward transfer for high‐throughput and efficient fabrication of periodic multilayer plasmonic metamaterials is demonstrated. With precisely controlling laser raster path applied on sputtered multilayer thin films, the laser‐ablated materials can be...

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Bibliographic Details
Published in:Laser & photonics reviews 2012-09, Vol.6 (5), p.702-707
Main Authors: Tseng, M.L., Wu, P.C., Sun, S., Chang, C.M., Chen, W.T., Chu, C.H., Chen, P.L., Zhou, L., Huang, D.W., Yen, T.J., Tsai, D.P.
Format: Article
Language:English
Subjects:
Biological and medical applications
Exact sciences and technology
femtosecond laser fabrication
Fundamental areas of phenomenology (including applications)
Industrial applications
laser-induced transfer
multilayer structure
Optical materials
Optics
Photonic bandgap materials
Physics
Plasmonic metamaterials
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Summary:A novel method based on femtosecond laser‐induced forward transfer for high‐throughput and efficient fabrication of periodic multilayer plasmonic metamaterials is demonstrated. With precisely controlling laser raster path applied on sputtered multilayer thin films, the laser‐ablated materials can be transferred to another substrate leaving the fabricated multilayer structure on the original substrate. Subsequently, three‐dimensional metamaterials can be made by multilayer structuring. Moreover, all the experimental results show that to create such multilayer split resonant rings (SRRs) with uniform profile, the laser fluence should be fine controlled under proper conditions. The optical property of fabricated multilayer SRR array is investigated by optical measurements and finite‐difference time‐domain simulations, showing various resonant modes in the middle‐IR region. The calculated induced current distributions exhibit rich resonance properties of the structures as well. This work markedly extends the laser direct writing technique to a wide application in fabricating complicated metamaterials and plasmonic devices efficiently. A novel method based on femtosecond laser‐induced forward transfer for high‐throughput and efficient fabrication of periodic multilayer plasmonic metamaterials is demonstrated. With preciously controlling laser raster path applied on sputtered multilayer thin films, the laser‐ablated materials can be transferred to another substrate and leaving fabricated multilayer structure on the original substrate. Subsequently, three dimensional metamaterials can be made by multilayer structuring.
ISSN:1863-8880
1863-8899
DOI:10.1002/lpor.201200029