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3D and 4D printing for optics and metaphotonics

Hoon Yeub Jeong, Eunsongyi Lee, Soo-Chan An, Yeonsoo Lim, Young Chul Jun
2020 Nanophotonics  
Conventional lithography techniques are usually limited to planar patterning, but 3D printing can allow the fabrication and integration of complex shapes or multiple parts along the out-of-plane direction  ...  Three-dimensional (3D) printing is a new paradigm in customized manufacturing and allows the fabrication of complex optical components and metaphotonic structures that are difficult to realize via traditional  ...  (F) Schematic showing the QD-LED components printed on a curved surface. (G) Graph of current density vs. voltage of the 3D-printed QD-LED on a contact lens.  ... 
doi:10.1515/nanoph-2019-0483 fatcat:whngllaa7zdpnlytbs4e4gwr5i

CLEAR - Contact lens technologies of the future

Lyndon Jones, Alex Hui, Chau-Minh Phan, Michael L. Read, Dimitri Azar, John Buch, Joseph B. Ciolino, Shehzad A. Naroo, Brian Pall, Kathleen Romond, Padmaja Sankaridurg, Cristina M. Schnider (+2 others)
2021 Contact lens & anterior eye  
There is also discussion of new developments in contact lens packaging and storage cases.  ...  Challenges include integrating sensors into contact lenses and detecting the signals generated.  ...  The authors would like to acknowledge the assistance of Carol Lakkis in supplying background materials for some sections of this paper.  ... 
doi:10.1016/j.clae.2021.02.007 pmid:33775384 fatcat:udlgmrhm4ve2bjzyu4jt2pxvsy

Ophthalmic Sensors and Drug Delivery

Antonysamy Dennyson Savariraj, Ahmed Salih, Fahad Alam, Mohamed Elsherif, Bader AlQattan, Ammar A. Khan, Ali K. Yetisen, Haider Butt
2021 ACS Sensors  
The potential applications of contact lenses in point-of-care diagnostics and personalized medicine, along with the significance of integrating multiplexed sensing units together with drug delivery systems  ...  Microfluidic contact lens sensor based colorimetric sensing and liquid control mechanisms enable the wearers to perform self-examinations at home using smartphones.  ...  (A) Schematic representation of the proposed thin magnetic micropump integrated in contact lens.  ... 
doi:10.1021/acssensors.1c00370 pmid:34043907 fatcat:eeei2pp2pbfkjb3tfsim6qobuy

Roadmap for optofluidics

Paolo Minzioni, Roberto Osellame, Cinzia Sada, S Zhao, F G Omenetto, Kristinn B Gylfason, Tommy Haraldsson, Yibo Zhang, Aydogan Ozcan, Adam Wax, Frieder Mugele, Holger Schmidt (+13 others)
2017 Journal of Optics  
Optofluidics, nominally the research area where optics and fluidics merge, is a relatively new research field and it is only in the last decade that there has been a large increase in the number of optofluidics  ...  applications as well as in the number of research groups devoted to the topic.  ...  Acknowledgments The authors would like to acknowledge support from the ONR, AFOSR, and NIH. [1] References  ... 
doi:10.1088/2040-8986/aa783b fatcat:p4bxkftdv5anzkc66amuibh6zm

Micro Total Analysis Systems for Cell Biology and Biochemical Assays

Michelle L. Kovarik, Philip C. Gach, Douglas M. Ornoff, Yuli Wang, Joseph Balowski, Lila Farrag, Nancy L. Allbritton
2011 Analytical Chemistry  
Dean flow is a phenomenon in which fastermoving fluid near the center of a curved microchannel tends to move in a direction tangential to the curve, due to its inertia.  ...  These mature fabrication methods enable the integration of various functionalities into a monolithic device.  ... 
doi:10.1021/ac202611x pmid:21967743 pmcid:PMC3264799 fatcat:e6os7bdtp5ds7oyjtola6rb6ma

Biological growth and synthetic fabrication of structurally colored materials

Anthony McDougal, Benjamin Miller, Meera Singh, Mathias Kolle
2019 Journal of Optics  
In recent decades, insights into the fundamental concepts and physics underlying biological light-matter interactions have enabled a cascade of attempts to copy nature's optical strategies in synthetic  ...  In this review, we compare the processes that enable the formation of biological photonic structures with the procedures employed by scientists and engineers to fabricate biologically inspired photonic  ...  This requires integration of guanine crystal formation and production of the pliable dermis, in addition to other processes that place the crystals.  ... 
doi:10.1088/2040-8986/aaff39 fatcat:cw6e2vdmkfgl3ltil62tzcufbm

Superoleophobic surfaces

Jiale Yong, Feng Chen, Qing Yang, Jinglan Huo, Xun Hou
2017 Chemical Society Reviews  
This review systematically summarizes the recent developments of superoleophobic surfaces, focusing on their design, fabrication, characteristics, functions, and important applications.  ...  Since the oil droplet was immersed in water, the underwater oil lens overcame the evaporation problem, which is a common defect of liquid lenses.  ...  if a liquid contacts two types of rough substrates. c is the local geometric angle of the texture.  ... 
doi:10.1039/c6cs00751a pmid:28462414 fatcat:gcq64smw35gi5nlfid63wii4gy

Graphene [chapter]

Yuehai Yang, Wenzhi Li, Elmar Kroner, Eduard Arzt, Bharat Bhushan, Laila Benameur, Liu Wei, Alain Botta, Yang Lu, Jun Lou, Debdeep Jena, Michael Nosonovsky (+5 others)
2012 Encyclopedia of Nanotechnology  
Other contact geometries than spherical contacts lead to different exponents for the number of contacts but still result in an increasing pulloff force for increasing number of contacts.  ...  One consequence of this principle, e.g., is the following: The number of equally sized spherical contacts n is proportional to the contact area A, which itself is proportional to the square of a length  ...  In the Allan deviation plot, the rate white noise is identified by fitting the À1/2 sloped part of the log-log scale curve with y ¼ ax À1/2 and estimating the value of a.  ... 
doi:10.1007/978-90-481-9751-4_373 fatcat:ufbrwpdaingvdgjkgcybe3zlbi

New materials for micro-scale sensors and actuators

Stephen A. Wilson, Renaud P.J. Jourdain, Qi Zhang, Robert A. Dorey, Chris R. Bowen, Magnus Willander, Qamar Ul Wahab, Magnus Willander, Safaa M. Al-hilli, Omer Nur, Eckhard Quandt, Christer Johansson (+15 others)
2007 Materials science & engineering. R, Reports  
This paper provides a detailed overview of developments in transducer materials technology relating to their current and future applications in micro-scale devices.  ...  The review concludes with a short discussion of structural polymers that are extending the range of micro-fabrication techniques available to designers and production engineers beyond the limitations of  ...  Acknowledgements The Authours gratefully acknowledge the EU 4M Network of Excellence for their support in the preparation of this article.  ... 
doi:10.1016/j.mser.2007.03.001 fatcat:hqnk7a5nqbanrfxo4kn5sjyxja

Gecko Effect [chapter]

Bharat Bhushan
2016 Encyclopedia of Nanotechnology  
Other contact geometries than spherical contacts lead to different exponents for the number of contacts but still result in an increasing pull-off force for increasing number of contacts.  ...  One consequence of this principle, e.g., is the following: the number of equally sized spherical contacts n is proportional to the contact area A, which itself is proportional to the square of a length  ...  In order to illustrate the dynamic response of a mode-mismatched rate gyroscope to a The whole-angle mode is based on the free precession of the axis of vibrations in response to the inertial rotation,  ... 
doi:10.1007/978-94-017-9780-1_378 fatcat:3lvzt6ie2rdsno4mgnvr7pum7u

Recent Trends and Innovation in Additive Manufacturing of Soft Functional Materials

Jaime Eduardo Regis, Anabel Renteria, Samuel Ernesto Hall, Md Sahid Hassan, Cory Marquez, Yirong Lin
2021 Materials  
The growing demand for wearable devices, soft robotics, and tissue engineering in recent years has led to an increased effort in the field of soft materials.  ...  Additionally, advances in soft devices in the fields of soft robotics, biomaterials, sensors, energy harvesters, and optoelectronics are discussed.  ...  Acknowledgments: Jaime Regis would like to thank the National Science Foundation Bridge to the Doctorate Fellowship under Grant No.  ... 
doi:10.3390/ma14164521 pmid:34443043 pmcid:PMC8399226 fatcat:tdzydk36k5dkvkom7mcgf6vmbm

Surface nanobubbles and nanodroplets

Detlef Lohse, Xuehua Zhang
2015 Reviews of Modern Physics  
Their existence seems to be paradoxical, as a simple classical estimate suggests that they should dissolve in microseconds, due to the large Laplace pressure inside these nanoscopic spherical-capshaped  ...  Studying the nucleation, growth, and dissolution dynamics of surface nanobubbles and nanodroplets will shed new light on the problems of contact line pinning and contact angle hysteresis on the submicron  ...  ACKNOWLEDGMENTS We thank all of our co-workers and colleagues for their contributions to our understanding of this great problem, for the many stimulating discussions we had the privilege to enjoy with  ... 
doi:10.1103/revmodphys.87.981 fatcat:sb7gjbtvmzdflpspymuj6umeqq

The Boom in 3D-Printed Sensor Technology

Yuanyuan Xu, Xiaoyue Wu, Xiao Guo, Bin Kong, Min Zhang, Xiang Qian, Shengli Mi, Wei Sun
2017 Sensors  
However, such multi-functional sensors require advancements in sensitivity, specificity, and throughput with the simultaneous delivery of multiple detection in a short time.  ...  These achievements demonstrate the successful application of 3D-printing technology in sensor fabrication, and the selected studies deeply explore the potential for creating sensors with higher performance  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/s17051166 pmid:28534832 pmcid:PMC5470911 fatcat:bgag52jjn5bexbonbxx5isuhq4

Surface Plasmon Resonance: Material and Interface Design for Universal Accessibility

Samuel S. Hinman, Kristy S. McKeating, Quan Cheng
2017 Analytical Chemistry  
At its basis, SPR relies on the interaction of an incoming light source with a thin metallic film in close contact with a prism or grating, which under the correct experimental conditions, allows for the  ...  It is essential to note that the term, surface plasmon resonance, can refer to two distinct forms of the phenomenon, in which the electromagnetic fields propagate along a planar surface (i.e., SPPs) or  ...  S.S.H. was supported by a University of California, Riverside (UCR) Dissertation Year Program (DYP) fellowship and an NIEHS T32 training grant (T32 ES018827).  ... 
doi:10.1021/acs.analchem.7b04251 pmid:29053253 pmcid:PMC6041476 fatcat:v6bgy5aapvhujd2cc6i6w4254a

Recent advances in the biomimicry of structural colours

Ahu Gümrah Dumanli, Thierry Savin
2016 Chemical Society Reviews  
This review presents the recent progress in mimicking the shiny and iridescent structural colours found in nature.  ...  Acknowledgements We thank Dr Ian Parry, Dr Veronica Savu and Dr Silvia Vignolini for their comments on the manuscript.  ...  liquid crystal.  ... 
doi:10.1039/c6cs00129g pmid:27510041 fatcat:3zqkybbsfjhd5n3ibsltn3lwva
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