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Journal articles on the topic 'Multi-photon polymerization'

Author: Grafiati

Published: 9 November 2024

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1

Huang, Ying, Yusheng Zhang, Yuming Su, Zhenghao Zhai, Jiawei Chen, and Cheng Wang. "Two-photon induced polymerization in a porous polymer film to create multi-layer structures." Chemical Communications 57, no. 37 (2021): 4516–19. http://dx.doi.org/10.1039/d1cc01383a.

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2

Lin, Jieqiong, Peng Liu, Xian Jing, Mingming Lu, Kaixuan Wang, and Jie Sun. "Stochastic Multi-Molecular Modeling Method of Organic-Modified Ceramics in Two-Photon Induced Photopolymerization." Materials 12, no. 23 (2019): 3876. http://dx.doi.org/10.3390/ma12233876.

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Organic-modified ceramics (Ormocer) are an outstanding class of hybrid materials due to the fact of their various excellent properties, and they have been successfully used in two-photon polymerization microfabrication fields. A series of functional devices has been fabricated and widely used in aerospace, information science, biomedicine, and other fields. However, quantization of intermolecular energy during the fabrication process is still a difficult problem. A stochastic multi-molecular modeling method is proposed in this paper. The detailed molecular-interaction energies during the photo

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3

Verbitsky, Lior, Nir Waiskopf, Shlomo Magdassi, and Uri Banin. "A clear solution: semiconductor nanocrystals as photoinitiators in solvent free polymerization." Nanoscale 11, no. 23 (2019): 11209–16. http://dx.doi.org/10.1039/c9nr03086g.

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Semiconductor nanocrystals are shown as highly efficient quantum photoinitiators for solvent-and-additive-free polymerization with micromolar loading, surpassing traditional organic initiators. The new quantum photoinitiators demonstrate a two-photon polymerization capacity, allowing multi-functional microprinting.

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4

Glöckler, Felix, Florian Hausladen, Igor Alekseenko, Alexander Gröger, Giancarlo Pedrini, and Daniel Claus. "Two-photon-polymerization enabled and enhanced multi-channel fibre switch." Engineering Research Express 3, no. 4 (2021): 045016. http://dx.doi.org/10.1088/2631-8695/ac34c5.

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Abstract This article discusses the fabrication and performance of a multi-channel fibre switch, consisting of 19 single-mode fibres, with enhanced coupling efficiency due to micro-optics, directly printed via two-photon-polymerization on the end-face of each fibre. The use of high-resolution two-photon-polymerization not only allows the enhancement of the coupling efficiency with respect to the coupling device in use but likewise offers great freedom in the arrangement of the used fibres. This letter gives a thorough explanation of the fabrication method as well as the optical simulations for

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5

Pisanello, Marco, Di Zheng, Antonio Balena, Filippo Pisano, Massimo De Vittorio, and Ferruccio Pisanello. "An open source three-mirror laser scanning holographic two-photon lithography system." PLOS ONE 17, no. 4 (2022): e0265678. http://dx.doi.org/10.1371/journal.pone.0265678.

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Two-photon polymerization is a widely adopted technique for direct fabrication of 3D and 2D structures with sub-diffraction-limit features. Here we present an open-hardware, open-software custom design for a holographic multibeam two-photon polymerization system based on a phase-only spatial light modulator and a three-mirror scanhead. The use of three reflective surfaces, two of which scanning the phase-modulated image along the same axis, allows to overcome the loss of virtual conjugation within the large galvanometric mirrors pair needed to accommodate the holographic projection. This exten

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6

Filippidis, G., J. Catherine, M. Farsari, V. Zorba, and C. Fotakis. "Construction of micron three-dimensional structures employing multi-photon polymerization." Proceedings of the Institution of Mechanical Engineers, Part N: Journal of Nanoengineering and Nanosystems 219, no. 4 (2005): 165–68. http://dx.doi.org/10.1243/17403499jnn48.

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7

Zhao, Yuxia, Xue Li, Feipeng Wu, and Xiangyun Fang. "Novel multi-branched two-photon polymerization initiators of ketocoumarin derivatives." Journal of Photochemistry and Photobiology A: Chemistry 177, no. 1 (2006): 12–16. http://dx.doi.org/10.1016/j.jphotochem.2005.05.006.

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8

Cui, Hai-Bo, Yan Li, Zhao-Pei Liu, Hong Yang, and Qi-Huang Gong. "Controlling aspect ratios of suspended nanorods fabricated by multi-photon polymerization." Applied Physics A 105, no. 4 (2011): 897–901. http://dx.doi.org/10.1007/s00339-011-6539-1.

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9

Lee, W., S. A. Pruzinsky, and P. V. Braun. "Multi-Photon Polymerization of Waveguide Structures Within Three-Dimensional Photonic Crystals." Advanced Materials 14, no. 4 (2002): 271–74. http://dx.doi.org/10.1002/1521-4095(20020219)14:4<271::aid-adma271>3.0.co;2-y.

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10

Parkatzidis, Kostas, Maria Chatzinikolaidou, Eleftherios Koufakis, Maria Kaliva, Maria Farsari, and Maria Vamvakaki. "Multi-photon polymerization of bio-inspired, thymol-functionalized hybrid materials with biocompatible and antimicrobial activity." Polymer Chemistry 11, no. 25 (2020): 4078–83. http://dx.doi.org/10.1039/d0py00281j.

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11

Vizsnyiczai, Gaszton, Lóránd Kelemen, and Pál Ormos. "Holographic multi-focus 3D two-photon polymerization with real-time calculated holograms." Optics Express 22, no. 20 (2014): 24217. http://dx.doi.org/10.1364/oe.22.024217.

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12

Obata, Kotaro, Jürgen Koch, Ulf Hinze, and Boris N. Chichkov. "Multi-focus two-photon polymerization technique based on individually controlled phase modulation." Optics Express 18, no. 16 (2010): 17193. http://dx.doi.org/10.1364/oe.18.017193.

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13

Yan, Yun-Xing, Xu-Tang Tao, Yuan-Hong Sun, et al. "Synthesis and nonlinear optical properties of novel multi-branched two-photon polymerization initiators." Journal of Materials Chemistry 14, no. 20 (2004): 2995. http://dx.doi.org/10.1039/b403777d.

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14

Shao, Yuchen, Yuan'an Zhao, Hao Ma, Cheng Li, Dawei Li, and Jianda Shao. "Refining multi-photon polymerization feature size by optimizing solvent content in SU-8 photoresist." Optical Materials 112 (February 2021): 110800. http://dx.doi.org/10.1016/j.optmat.2021.110800.

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15

Shao, Yuchen, Yuan'an Zhao, Hao Ma, Cheng Li, Dawei Li, and Jianda Shao. "Refining multi-photon polymerization feature size by optimizing solvent content in SU-8 photoresist." Optical Materials 112 (February 2021): 110800. http://dx.doi.org/10.1016/j.optmat.2021.110800.

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16

Galanopoulos, Stratos, Nikoleta Chatzidai, Vasileia Melissinaki, et al. "Design, Fabrication and Computational Characterization of a 3D Micro-Valve Built by Multi-Photon Polymerization." Micromachines 5, no. 3 (2014): 505–14. http://dx.doi.org/10.3390/mi5030505.

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17

Franklin, Daniel, Yun-Han Lee, Ziqian He, Debashis Chanda, and Shin-Tson Wu. "44-3: Large Area Multi-Layer Liquid Crystal Phase Modulators Enabled by Two-Photon Polymerization." SID Symposium Digest of Technical Papers 49, no. 1 (2018): 585–88. http://dx.doi.org/10.1002/sdtp.12417.

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18

Panusa, Giulia, Ye Pu, Jieping Wang, Christophe Moser, and Demetri Psaltis. "Fabrication of Sub-Micron Polymer Waveguides through Two-Photon Polymerization in Polydimethylsiloxane." Polymers 12, no. 11 (2020): 2485. http://dx.doi.org/10.3390/polym12112485.

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Flexible ultra-compact low-loss optical waveguides play a vital role in the development of soft photonics. The search for suitable materials and innovative fabrication techniques to achieve low loss long polymer optical waveguides and interconnects has proven to be challenging. In this paper, we demonstrate the fabrication of submicron optical waveguides in polydimethylsiloxane (PDMS) using divinylbenzene (DVB) as the photopolymerizable monomer through two-photon polymerization (2PP). We show that the commercial oxime ester photoinitiator Irgacure OXE02 is suitable for triggering the DVB photo

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19

Basu, Swarna, and Paul J. Campagnola. "3-D Nano and Microscale Regional Control of Bioactivity Through Multi-photon Excited Crosslinking and Polymerization." Microscopy and Microanalysis 10, S02 (2004): 1430–31. http://dx.doi.org/10.1017/s1431927604882242.

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20

Mikhaylov, Andrey, Stefan Reich, Margarita Zakharova, et al. "Shack–Hartmann wavefront sensors based on 2D refractive lens arrays and super-resolution multi-contrast X-ray imaging." Journal of Synchrotron Radiation 27, no. 3 (2020): 788–95. http://dx.doi.org/10.1107/s1600577520002830.

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Different approaches of 2D lens arrays as Shack–Hartmann sensors for hard X-rays are compared. For the first time, a combination of Shack–Hartmann sensors for hard X-rays (SHSX) with a super-resolution imaging approach to perform multi-contrast imaging is demonstrated. A diamond lens is employed as a well known test object. The interleaving approach has great potential to overcome the 2D lens array limitation given by the two-photon polymerization lithography. Finally, the radiation damage induced by continuous exposure of an SHSX prototype with a white beam was studied showing a good performa

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21

Skliutas, Edvinas, Migle Lebedevaite, Elmina Kabouraki, et al. "Polymerization mechanisms initiated by spatio-temporally confined light." Nanophotonics 10, no. 4 (2021): 1211–42. http://dx.doi.org/10.1515/nanoph-2020-0551.

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Abstract Ultrafast laser 3D lithography based on non-linear light–matter interactions, widely known as multi-photon lithography (MPL), offers unrivaled precision rapid prototyping and flexible additive manufacturing options. 3D printing equipment based on MPL is already commercially available, yet there is still no comprehensive understanding of factors determining spatial resolution, accuracy, fabrication throughput, repeatability, and standardized metrology methods for the accurate characterization of the produced 3D objects and their functionalities. The photoexcitation mechanisms, spatial-

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22

Shao, Yuchen, Yuan'an Zhao, Hao Ma, Meiling Chen, Yafei Lian, and Jianda Shao. "An easy method to improve efficiency of multi-photon polymerization: Introducing solvents with nonlinear optical absorption into photoresist." Optics & Laser Technology 151 (July 2022): 108008. http://dx.doi.org/10.1016/j.optlastec.2022.108008.

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23

Scheiner, Brett, Mark J. Schmitt, Derek Schmidt, Lynne Goodwin, and Frederic J. Marshall. "Two-photon polymerization printed lattices as support structures in multi-shell ICF targets: Platform development and initial assessment." Physics of Plasmas 27, no. 12 (2020): 122702. http://dx.doi.org/10.1063/5.0027820.

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24

Li, Chi, Changrui Liao, Jia Wang, Zongsong Gan, and Yiping Wang. "Femtosecond Laser Microprinting of a Polymer Optical Fiber Interferometer for High-Sensitivity Temperature Measurement." Polymers 10, no. 11 (2018): 1192. http://dx.doi.org/10.3390/polym10111192.

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Femtosecond laser induced multi-photon polymerization technique can be applied to fabricate an ultracompact polymer optical fiber interferometer which was embedded in a section of hollow core fiber. The production of the photoresin, used in this work, is described. Such a device has been used for temperature measurement, due to its excellent thermal properties. Transmission spectrum, structural morphology, and temperature response of the polymer optical fiber interferometer are experimentally investigated. A high wavelength sensitivity of 6.5 nm/°C is achieved over a temperature range from 25

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25

Kurth, Daniel, Simon Ristok, Sopie Rühle, Alexander Verl, and Harald Giessen. "Multi-axis two photon polymerization machine and software concept for the manufacturing of aspheric lenses on non-planar substrates." Procedia CIRP 118 (2023): 682–87. http://dx.doi.org/10.1016/j.procir.2023.06.117.

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26

Itoh, Noriaki, Chihiro Itoh, and Jun'ichi Kanasaki. "Comparison of Electronic-Excitation-Induced Structural Modification of Carbon-Based Nanomaterials with that of Semiconductor Surfaces." Nano 11, no. 06 (2016): 1630001. http://dx.doi.org/10.1142/s1793292016300012.

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Modification by electronic excitation of semiconductor surfaces and carbon-related quasi-two-dimensional (2D) nanostructured materials, namely graphene, carbon nanotubes is reviewed. Defect creation in these materials takes place not by low-intensity photoirradiation, but by laser or electron irradiation. The defect creation processes are different from ordinary photochemical processes in molecules or in some solids like alkali halides, which can be modified by a localized exciton. It is pointed out that there are common features in defect creation by electronic excitation in semiconductor sur

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27

Razzaq, Muhammad Yasar, Joamin Gonzalez-Gutierrez, Gregory Mertz, David Ruch, Daniel F. Schmidt, and Stephan Westermann. "4D Printing of Multicomponent Shape-Memory Polymer Formulations." Applied Sciences 12, no. 15 (2022): 7880. http://dx.doi.org/10.3390/app12157880.

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Four-dimensional (4D) printing technology, as a next-generation additive manufacturing method, enables printed objects to further change their shapes, functionalities, or properties upon exposure to external stimuli. The 4D printing of programmable and deformable materials such as thermo-responsive shape-memory polymers (trSMPs), which possess the ability to change shape by exposure to heat, has attracted particular interest in recent years. Three-dimensional objects based on SMPs have been proposed for various potential applications in different fields, including soft robotics, smart actuator

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28

Danilevičius, P., A. Žukauskas, G. Bičkauskaitė, et al. "Laser-Micro/Nanofabricated 3D Polymers for Tissue Engineering Applications." Latvian Journal of Physics and Technical Sciences 48, no. 2 (2011): 32–43. http://dx.doi.org/10.2478/v10047-011-0013-x.

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Laser-Micro/Nanofabricated 3D Polymers for Tissue Engineering ApplicationsA multi-photon polymerization system has been designed based on a pulsed irradiation light source (diode-pumped solid state femtosecond laser Yb:KGW, 300 fs, 1030 nm, 1-200 kHz) in combination with large working area and high precision linear motor driven stages (100×100×50 mm3). The system is intended for high resolution and throughput 3D micro- and nanofabrication and enables manufacturing the polymeric templates up to 1 cm2areas with sub-micrometer resolution. These can be used for producing 3D artificial polymeric sc

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29

Tao, Yufeng, Liansheng Lin, Xudong Ren, et al. "Four-Dimensional Micro/Nanorobots via Laser Photochemical Synthesis towards the Molecular Scale." Micromachines 14, no. 9 (2023): 1656. http://dx.doi.org/10.3390/mi14091656.

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Miniaturized four-dimensional (4D) micro/nanorobots denote a forerunning technique associated with interdisciplinary applications, such as in embeddable labs-on-chip, metamaterials, tissue engineering, cell manipulation, and tiny robotics. With emerging smart interactive materials, static micro/nanoscale architectures have upgraded to the fourth dimension, evincing time-dependent shape/property mutation. Molecular-level 4D robotics promises complex sensing, self-adaption, transformation, and responsiveness to stimuli for highly valued functionalities. To precisely control 4D behaviors, current

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30

Stankevičius, Evaldas, Mangirdas Malinauskas, and Gediminas Račiukaitis. "Fabrication of Scaffolds and Micro-Lenses Array in a Negative Photopolymer SZ2080 by Multi-Photon Polymerization and Four-Femtosecond-Beam Interference." Physics Procedia 12 (2011): 82–88. http://dx.doi.org/10.1016/j.phpro.2011.03.109.

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31

Demirbay, Barış, and Şaziye Uğur. "Experimental Investigation of Morphological and Electrical Characteristics of PS/MWCNT Nanocomposite Films." Materials Science Forum 915 (March 2018): 104–9. http://dx.doi.org/10.4028/www.scientific.net/msf.915.104.

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Electrical characteristics and morphology of nanocomposite films composed of two different polystyrene (PS) latexes impregnated with multi-walled carbon nanotubes (MWCNT) in the range between 0 wt% and 20 wt% were assessed by considering photon transmission (UV-Vis) technique and electrical conductivity measurements. Emulsion polymerization technique was employed both to synthesize very fine PS particles dispersed in water and to tailor the sizes of the PS particles as 382 nm and 560 nm, respectively. PS/MWCNT nanocomposite films were obtained from the liquid form on glass substrates via drop-

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32

Maibohm, Christian, Alberto Saldana-Lopez, Oscar F. Silvestre, and Jana B. Nieder. "3D Polymer Structures for the Identification of Optimal Dimensions for Cellular Growth for 3D Lung Alveolar Models." Engineering Proceedings 4, no. 1 (2021): 33. http://dx.doi.org/10.3390/micromachines2021-09596.

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Organ-on-chips and scaffolds for tissue engineering are vital assay tools for pre-clinical testing and prediction of human response to drugs and toxins, while providing an ethically sound alternative to animal testing and a low-cost alternative to expensive clinical studies. An important success criterion for these models is the ability to have structural parameters for optimized performance. In this study we show how the two-photon polymerization fabrication method can be used to create 3D test platforms made for analyzing optimal scaffold parameters for cell growth. We design and fabricate a

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33

Remuzzi, Andrea, Barbara Bonandrini, Matteo Tironi, et al. "Effect of the 3D Artificial Nichoid on the Morphology and Mechanobiological Response of Mesenchymal Stem Cells Cultured In Vitro." Cells 9, no. 8 (2020): 1873. http://dx.doi.org/10.3390/cells9081873.

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Stem cell fate and behavior are affected by the bidirectional communication of cells and their local microenvironment (the stem cell niche), which includes biochemical cues, as well as physical and mechanical factors. Stem cells are normally cultured in conventional two-dimensional monolayer, with a mechanical environment very different from the physiological one. Here, we compare culture of rat mesenchymal stem cells on flat culture supports and in the “Nichoid”, an innovative three-dimensional substrate micro-engineered to recapitulate the architecture of the physiological niche in vitro. Tw

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34

Sadat Arabjafari, Maliheh, Farzaneh Bayat, Kazem Jamshidi-Ghaleh, Ali Reza Amani-Ghadim, Ali Fatemi, and Milad Rasouli. "(Digital Presentation) Synthesis of Multisize Layered Silica Inverse Opal Photonic Crystals." ECS Meeting Abstracts MA2022-01, no. 32 (2022): 2509. http://dx.doi.org/10.1149/ma2022-01322509mtgabs.

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Today, human beings have found an increasing need for energy. The ever-increasing effort to shrink information systems at higher speeds has led to the common idea that photons are used as carriers of information instead of electrons. Photonic crystals have a structure whose dielectric constants and refractive indices change alternately in one, two, or three dimensions, which are called one-dimensional, two-dimensional, and three-dimensional photon crystals. Periodicity in the refractive index of the crystal structure causes a photonic bandgap that includes a range of frequencies in which light

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35

Maurel, Alexis, Ana Cristina Martinez, Sylvie Grugeon, et al. "(Battery Division Postdoctoral Associate Research Award Sponsored by MTI Corporation and the Jiang Family Foundation) 3D Printing of Batteries: Fiction or Reality?" ECS Meeting Abstracts MA2022-02, no. 3 (2022): 214. http://dx.doi.org/10.1149/ma2022-023214mtgabs.

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Motivated by the request to build shape-conformable flexible, wearable and customizable batteries while maximizing the energy storage and electrochemical performances, additive manufacturing (AM) appears as a revolutionary discipline. Battery components such as electrodes, separator, electrolyte, current collectors and casing can be tailored with any shape, allowing the direct incorporation of batteries and all electronics within the final three-dimensional object. AM also paves the way toward the implementation of complex 3D electrode architectures that could enhance significantly the power b

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36

Wu, Xingyu, Mehdi Belqat, Benjamin Leuschel, et al. "Investigation of two-photon polymerized microstructures using fluorescence lifetime measurements." Polymer Chemistry, 2022. http://dx.doi.org/10.1039/d1py01728d.

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A fluorescent molecular rotor is exploited as a viscosity probe to reveal heterogeneity in multi-material microstructures made by two-photon polymerization. These results open the door to probe the 4D character of active 3D microstructures.

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37

Zhang, Qianyi, Antoine Boniface, Virendra K. Parashar, Martin A. M. Gijs, and Christophe Moser. "Multi-photon polymerization using upconversion nanoparticles for tunable feature-size printing." Nanophotonics, January 10, 2023. http://dx.doi.org/10.1515/nanoph-2022-0598.

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Abstract The recent development of light-based 3D printing technologies has marked a turning point in additive manufacturing. Through photopolymerization, liquid resins can be solidified into complex objects. Usually, the polymerization is triggered by exciting a photoinitiator with ultraviolet (UV) or blue light. In two-photon printing (TPP), the excitation is done through the non-linear absorption of two photons; it enables printing 100-nm voxels but requires expensive femtosecond lasers which strongly limit their broad dissemination. Upconversion nanoparticles (UCNPs) have recently been pro

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38

Lee, Yun-Han, Daniel Franklin, Fangwang Gou, et al. "Two-photon polymerization enabled multi-layer liquid crystal phase modulator." Scientific Reports 7, no. 1 (2017). http://dx.doi.org/10.1038/s41598-017-16596-8.

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39

Xiong, Wei, Yunshen Zhou, Xiangnan He, et al. "Three-dimensional sub-wavelength fabrication by integration of additive and subtractive femtosecond-laser direct writing." MRS Proceedings 1499 (2013). http://dx.doi.org/10.1557/opl.2013.443.

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ABSTRACTAdditive nanofabrication by two-photon polymerization (TPP) has recently drawn increased attention due to its sub-100 nm resolution and truly three-dimensional (3D) structuring capability. However, besides additive processes, subtractive process is also demanded for many 3D fabrications. Method possessing both additive and subtractive fabrication capabilities was rarely reported. In this study, we developed a complementary 3D micro/nano-fabrication process by integrating both additive two-photon polymerization (TPP) and subtractive multi-photon ablation (MPA) into a single platform of

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40

Ogor, Florie, Thomas Le Deun, Emma Van Elslande, et al. "Modelling and simulation of a massively parallelised multi‐photon polymerization 3D microfabrication process." physica status solidi (a), October 12, 2023. http://dx.doi.org/10.1002/pssa.202300486.

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While additive manufacturing based on multi photon polymerization is currently considered to be a very promising technique for the fabrication of 3D micro and nano structures, long fabrication times are a major limitation of this approach. Parallelization of the fabrication process is an important technique to overcome this issue. The fabrication process is parallelized by imaging a 1920x1080 pixel Spatial Light Modulator (SLM) into an ultra‐sensitive Triplet‐Triplet Annihilation (TTA) resist. However, proximity effects between close pixels generate uncontrolled polymerization and make the con

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41

Singh, Gaganpreet, Deepak Mishra, Janakarajan Ramkumar, and Subramanian Anantha Ramakrishna. "Large area fabrication of single micron features using two-photon polymerization with sub-nanosecond laser." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, March 10, 2022, 095440542210777. http://dx.doi.org/10.1177/09544054221077781.

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Single micrometer-sized features were fabricated on ARN-4340 photoresist using a 3D additive technique of two-photon polymerization (TPP). An economic TPP setup capable of producing a large area was developed in the lab using a sub-nanosecond laser. The Photo-initiator (2, 4 Diethyl-9H-thioxanthen-9-one) with a large two-photon absorption cross-section was used to enhance the polymerization. It was theoretically determined that the dimensions of the polymerized features depend on the concentration of the photo-initiator. A novel image-based focusing technique was developed to achieve uniform m

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42

Geng, Qiang, Dien Wang, Pengfei Chen, and Shih-Chi Chen. "Ultrafast multi-focus 3-D nano-fabrication based on two-photon polymerization." Nature Communications 10, no. 1 (2019). http://dx.doi.org/10.1038/s41467-019-10249-2.

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43

Wdowiak, Emilia, Michał Ziemczonok, Juan Martinez-Carranza, and Arkadiusz Kuś. "Phase-assisted multi-material two-photon polymerization for extended refractive index range." Additive Manufacturing, June 2023, 103666. http://dx.doi.org/10.1016/j.addma.2023.103666.

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44

Samsonas, Danielius, Edvinas Skliutas, Arūnas Čiburys, et al. "3D nanopolymerization and damage threshold dependence on laser wavelength and pulse duration." Nanophotonics, January 13, 2023. http://dx.doi.org/10.1515/nanoph-2022-0629.

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Abstract The dependence of the polymerization and optical damage thresholds in multi-photon polymerization (MPP) lithography was studied using a broadly-tunable laser system with group delay dispersion (GDD) control. The order of non-linearity and the light–matter interaction mechanisms were investigated using the resolution bridges method for non-photosensitized SZ2080TM and photosensitized SZ2080TM + IRG369 prepolymers. Energy deposition, voxel dimension growth, and the size of the dynamic fabrication window (DFW) were measured in the 700–1300 nm wavelength range at three different pulse dur

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45

Maibohm, Christian, Oscar F. Silvestre, Jérôme Borme, Maina Sinou, Kevin Heggarty, and Jana B. Nieder. "Multi-beam two-photon polymerization for fast large area 3D periodic structure fabrication for bioapplications." Scientific Reports 10, no. 1 (2020). http://dx.doi.org/10.1038/s41598-020-64955-9.

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46

Xu, Borui, Wei Wei, Ping Tang, et al. "A Multi‐foci Sparse‐Aperture Metalens." Advanced Science, March 14, 2024. http://dx.doi.org/10.1002/advs.202309648.

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AbstractMulti‐foci lenses are essential components for optical communications, virtual reality display and microscopy, yet the bulkiness of conventional counterparts has significantly hindered their widespread applications. Benefiting from the unprecedented capability of metasurfaces in light modulation, metalenses are able to provide multi‐foci functionality with a more compact footprint. However, achieving imaging quality comparable to that of corresponding single‐foci metalenses at each focal point poses a challenge for existing multi‐foci metalenses. Here, a polarization‐independent all‐di

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47

Zhao, Xiang-Yu, yuanyuan zhao, Hai-Chao Luo та Xuan-Ming Duan. "Tunable reﬂection coating to reduce exposure power threshold for interference-assisted two-photon polymerization lithography". Applied Physics Express, 21 серпня 2023. http://dx.doi.org/10.35848/1882-0786/acf273.

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Abstract We proposed a strategy to significantly reduce the exposure power threshold for two-photon lithography on tunable reﬂection coating substrates. The focused light spot at the photoresist-reflective interface is modulated into a multi-layered distribution, which has an enhanced optical field compared to the incident light. The interference of incident and reflected light at the interface enhance the local light field by 1.6-3.4 times, equivalent to reducing the incident exposure power. The tailored multilayer nanowires fabricated by a single scan and the exposure power modulation mechan

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Wang, Xinger, Xuhao Fan, Yuncheng Liu, et al. "3D Nanolithography via Holographic Multi‐Focus Metalens." Laser & Photonics Reviews, June 22, 2024. http://dx.doi.org/10.1002/lpor.202400181.

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Abstract3D nanolithography based on two‐photon polymerization (TPP) allows for the high‐precision fabrication of nearly arbitrary 3D micro/nanostructures, finding extensive applications in areas such as micro‐optics, micro‐mechanics, and biomedicine. However, the large size, complexity of optical systems, and high costs have significantly constrained the widespread adoption of 3D nanolithography technology in both scientific research and industry. In this study, a metasurface is introduced, for the first time, into 3D nanolithography resulting in the construction of a miniaturized and simplifi

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STANKEVIČIUS, Evaldas, Mangirdas MALINAUSKAS, Mindaugas GEDVILAS, Bogdan VOISIAT, and Gediminas RAČIUKAITIS. "Fabrication of Periodic Micro-Structures by Multi-Photon Polymerization Using the Femtosecond Laser and Four-Beam Interference." Materials Science 17, no. 3 (2011). http://dx.doi.org/10.5755/j01.ms.17.3.587.

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Zhang, Yuzhao, Haibo Yu, Xiaojie Zhang, et al. "A Novel Multifunctional Material for Constructing 3D Multi‐Response Structures Using Programmable Two‐Photon Laser Fabrication." Advanced Functional Materials, March 10, 2024. http://dx.doi.org/10.1002/adfm.202313922.

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AbstractTwo‐photon polymerization direct laser writing (TPP‐DLW) technology has gained much popularity due to its precision and flexibility in creating intricate 3D micro/nano‐scale devices and machines. While TPP‐DLW enables complex 3D micro/nano patterning, developing multifunctional materials tailored for this process remains a challenge, limiting sophisticated micro/nano device performance. This work addresses key barriers by introducing a novel multifunctional network polymer with specifically designed for TPP‐DLW. The material integrates tailored functional groups allowing submicron 3D s

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