Journal
ACS OMEGA
Volume 3, Issue 9, Pages 11558-11561Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsomega.8b01659
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Funding
- Centennial Foundation of Technology Industries of Finland
- Jane and Aatos Erkko foundation as a part of The Future Makers program
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In the current paper, a series of nonlinear optical (NLO) active devices was prepared by utilizing stereolithographic three-dimensional printing technique. Microcrystalline NLO active component, urea, or potassium dihydrogen phosphate was dispersed in a simple photo-polymerizable polyacrylate-based resin and used as the printing material to fabricate highly efficient transparent NLO lenses. The nonlinear activity of the printed lenses was confirmed by second-harmonic generation measurements using a femtosecond laser-pumped optical parametric amplifier operating at a wavelength of 1195 nm. The three-dimensional printing provides a simple method to utilize a range of NLO active compounds without tedious crystal growing and processing steps. Furthermore, introducing NLO additives in the printing material provides an easy and cost-efficient way to manufacture lenses with NLO functionality.
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