High-Quality Large-Magnification Polymer Lens from Needle Moving Technique and Thermal Assisted Moldless Fabrication Process

PloS One
Ratthasart AmaritThaweesak Koanantakool

Abstract

The need of mobile microscope is escalating as well as the demand of high quality optical components in low price. We report here a novel needle moving technique to fabricate milli-size lens together with thermal assist moldless method. Our proposed protocol is able to create a high tensile strength structure of the lens and its base which is beneficial for exploiting in convertinga smart phone to be a digital microscope. We observe that no bubble trapped in a lens when this technique is performed which can overcome a challenge problem found in a typical dropping technique. We demonstrate the symmetry, smoothness and micron-scale resolution of the fabricated structure. This proposed technique is promising to serve as high quality control mass production without any expensive equipment required.

References

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Citations

Jul 16, 2016·ACS Applied Materials & Interfaces·S EkgasitM Donphoongpri
Jan 16, 2019·Applied Optics·Yu-Lung SungWei-Chuan Shih
Aug 5, 2017·Scientific Reports·Zhihan Hong, Rongguang Liang
May 8, 2020·Advanced Functional Materials·Stefano MarianiGiuseppe Barillaro

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