1.State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, China
2.College of Physics, Jilin University, Changchun 130023, China
3.National Center of Applied Microfluidic Chemistry, Department of Chemical Engineering, Pohang University of Science and Technology, Pohang 790-784, Korea
Professor HB Sun, State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, 2699 Qianjin Street, Changchun 130012, China Email: hbsun@jlu.edu.cn
Professor WF Dong, State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, 2699 Qianjin Street, Changchun 130012, China Email: wenfeidong@126.com
纸质出版日期:2014-03,
网络出版日期:2014-01-17,
收稿日期:2013-05-01,
修回日期:2013-09-05,
录用日期:2013-09-16
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Protein-based soft micro-optics fabricated by femtosecond laser direct writing[J]. LSA, 2014,3(1).
Sun, Y. L. et al. Protein-based soft micro-optics fabricated by femtosecond laser direct writing. Light: Science & Applications, 3, e129 (2014).
Protein-based soft micro-optics fabricated by femtosecond laser direct writing[J]. LSA, 2014,3(1). DOI: 10.1038/lsa.2014.10.
Sun, Y. L. et al. Protein-based soft micro-optics fabricated by femtosecond laser direct writing. Light: Science & Applications, 3, e129 (2014). DOI: 10.1038/lsa.2014.10.
In this work
we report a novel soft diffractive micro-optics
called 'microscale kinoform phase-type lens (micro-KPL)'
which is fabricated by femtosecond laser direct writing (FsLDW) using bovine serum albumin (BSA) as building blocks and flexible polydimethylsiloxane (PDMS) slices as substrates. By carefully optimizing various process parameters of FsLDW (e.g.
average laser power density
scanning step
exposure time on a single point and protein concentration)
the as-formed protein micro-KPLs exhibit excellent surface quality
well-defined three-dimensional (3D) geometry and distinctive optical properties
even in relatively harsh operation environments (for instance
in strong acid or base). Laser shaping
imaging and other optical performances can be easily achieved. More importantly
micro-KPLs also have unique flexible and stretchable properties as well as good biocompatibility and biodegradability. Therefore
such protein hydrogel-based micro-optics may have great potential applications
such as in flexible and stretchable photonics and optics
soft integrated optical microsystems and bioimplantable devices.
femtosecond laser direct writingmicro-opticsproteinsoft
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