Results 71 to 80 of about 7,827 (267)

Effects of Cellulose Nanocrystal and Inorganic Nanofillers on the Morphological and Mechanical Properties of Digital Light Processing (DLP) 3D-Printed Photopolymer Composites

open access: yesApplied Sciences, 2021
Photopolymer composites filled with cellulose nanocrystal (CNC) and/or inorganic nanofillers were fabricated by using digital light processing (DLP) 3D printing.
Sang-U Bae, Birm-June Kim
doaj   +1 more source

The Evolution of Aerosol Jet Printing, A Review: Enhancing Material Versatility and Improvements for Next‐Generation Applications

open access: yesAdvanced Materials Technologies, EarlyView.
Aerosol Jet Printing (AJP) has emerged as a versatile additive manufacturing technique for high‐resolution, conformal, and multi‐material printing. This review highlights advances in printable materials, substrate compatibility, post‐processing, characterization, and process innovations, while critically discussing current challenges and future ...
Chandrachur Chatterjee   +2 more
wiley   +1 more source

Organic-inorganic hybrid photopolymer with reduced volume shrinkage [PDF]

open access: yes, 2005
An organic-inorganic hybrid photopolymer containing surface-photoreactive nanoparticles, which exhibits a significant enhancement in optical properties is reported.
Yong-Cheol Jeong   +5 more
core   +1 more source

Revealing the Transmission Hologram's Refractive Index Profile Stored in a Photohydrogel: A Structural Characterization

open access: yesAdvanced Optical Materials, EarlyView.
A theoretical model is developed to visualize three‐dimensional refractive index profiles in transmission holographic gratings. In this work, it is applied to photopolymerizable hydrogels, enabling detailed analysis of the internal structure of recorded holograms and their evolution under different degradation conditions.
Belén Nieto‐Rodríguez   +4 more
wiley   +1 more source

Analysis of PVA/AA based photopolymers at the zero spatial frequency limit using interferometric methods

open access: yes, 2008
One of the problems associated with photopolymers as optical recording media is the thickness variation during the recording process. Different values of shrinkages or swelling are reported in the literature for photopolymers.
Ortuño, Manuel   +7 more
core   +1 more source

Fabrication of Modified Random Phase Masks with Phase Modulation Elements Exhibiting Gaussian Profiles Using Molecular Migration under Photopolymerization

open access: yesPhotonics, 2019
Random phase masks are important technical elements for realizing holographic memory systems that enable high density recording. However, the broadly distributed Fourier spectrum often presents a problem because wide recording spots result in reduced ...
Akira Emoto   +4 more
doaj   +1 more source

3D Printing of Soft Robotic Systems: Advances in Fabrication Strategies and Future Trends

open access: yesAdvanced Robotics Research, EarlyView.
Collectively, this review systematically examines 3D‐printed soft robotics, encompassing material selections, function integration, and manufacturing methodologies. Meanwhile, fabrication strategies are analyzed in order of increasing complexity, highlighting persistent challenges with proposed solutions.
Changjiang Liu   +5 more
wiley   +1 more source

Preparation and characterization of free radical photopolymer with carbon black nano-particle

open access: yes, 2014
The aim of this paper is to prepare and characterize the free radical photopolymer with carbon black nano-particles. At first, carbon black nano-powder was wetted by the co-solvent composed from propylene glycol mono-methyl ether acetate with normal ...
鄭文桐, Yeh, W.T., Cheng, W.T.
core   +1 more source

Fabrication of microfluidic device channel using a photopolymer for colloidal particle separation [PDF]

open access: yes, 2010
We have developed a method of fabricating microfluidic device channels for bio-nanoelectronics system by using high performance epoxy based dry photopolymer films or dry film resists (DFRs).
Green, Nicolas G   +5 more
core   +1 more source

Crosstalk-Reduced Double-Layer Half-Divided Volume Holographic Concentrator for Solar Energy Concentration

open access: yesSensors, 2020
A new double-layer sunlight concentration system, where each layer is divided into two regions, is proposed, and the system has four volume holograms.
Hongxu Kao   +4 more
doaj   +1 more source

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