Review of vat photopolymerization 3D printing of photonic devices

Additive manufacturing, Journal Year: 2024, Volume and Issue: 86, P. 104189 - 104189

Published: April 1, 2024

Vat photopolymerization (VP) 3D printing, a subset of additive manufacturing, is renowned for its capability to create intricate structures with high precision, particularly useful in optical applications. The process involves using photosensitive resins cured layer by through various light-curing technologies like Stereolithography (SLA), Digital Light Processing (DLP), Two-Photon Polymerization (TPP), Continuous Liquid Interface Production (CLIP), and Crystal Display (LCD). Each technique offers unique advantages terms speed, resolution, material compatibility, TPP providing the highest resolution. This review explores diverse applications VP 3D-printed components, including lenses, waveguides, gratings, resonators, metamaterials, sensors, actuators, demonstrating their significant role advancing technology innovation. Challenges selection, post-processing requirements, size limitations, support are discussed, alongside potential future research directions. These include developing advanced photopolymer materials enhanced properties, hardware improvements higher resolution multi-material quality assurance measures ensuring precision. Despite some printing presents promising avenue rapid prototyping production complex, multifunctional devices, marking stride manufacturing technological development.

Language: Английский

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Photonics sensors: A perspective on current advancements, emerging challenges, and potential solutions (Invited)

Physics Letters A, Journal Year: 2024, Volume and Issue: 516, P. 129633 - 129633

Published: May 31, 2024

Photonic sensors play a vital role in the modern world, revolutionizing various industries with their efficiency and precision. These utilize light particles (photons) to detect, measure, analyze different parameters such as intensity, wavelength, phase, polarization. One of key advantages lies ability offer highly sensitive, fast, accurate measurements across wide range applications. In healthcare, they are used medical imaging technologies like optical coherence tomography for non-invasive diagnostics tissues. Additionally, photonic have transformed environmental monitoring, allowing real-time analysis pollutants, gases, other substances air water. Moreover, application extends defence security, where utilized surveillance, reconnaissance, laser-based systems. this concise paper, we aim our insights into latest advancements, emerging challenges, potential solutions ongoing development sensors.

Language: Английский

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Advancements in 2D transition metal dichalcogenides (TMDs) inks for printed optoelectronics: A comprehensive review

Materials Today, Journal Year: 2024, Volume and Issue: 77, P. 142 - 184

Published: July 2, 2024

Language: Английский

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All‐Dielectric Integrated Meta‐Antenna Operating in 6G Terahertz Communication Window

Small, Journal Year: 2024, Volume and Issue: 20(18)

Published: Jan. 8, 2024

Abstract Efficient transceivers and antennas at terahertz frequencies are leading the development of 6G communication systems. The antenna design for high‐resolution spatial sensing remains challenging, while emergent metallic metasurface can address this issue but often suffer from low efficiency complex manufacturing. Here, an all‐dielectric integrated meta‐antenna operating in window high‐efficiency beam focusing sub‐wavelength scale is reported. With surface functionalized by metagrating arrays with asymmetric scattering patterns, optimization methods demonstrated a physical size constraint. highest manipulation diffraction efficiencies achieve 84.1% 48.1%. commercially accessible fabrication method cost easy to implement has been photocuring 3D printing. A filamentous focal spot measured as 0.86 λ long depth focus 25.3 . Its application imaging demonstrated. proposed technical roadmap provides general pathway creating meta‐antennas great potential applications.

Language: Английский

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Integrated free-standing WS ₂ 3D-printed carbon supercapacitor with solid state electrolyte

Virtual and Physical Prototyping, Journal Year: 2024, Volume and Issue: 19(1)

Published: March 25, 2024

There is a huge need for energy storage devices due to the depletion of natural gas and increasing requirement portable electronic gadgets. Fused deposition modeling (FDM) 3D-printing has drawn tremendous interest fabrication batteries supercapacitors (SCs) its tabletop manufacturing technique, bespoke design, fast prototyping user-friendly process. However, there are fewer available conductive filaments FDM printing that ideal from an standpoint. 2D transition metal dichalcogenide WS2 been discovered be favourable material electrochemical storage. As result, in this work, we modified carbon electrode was 3D-printed by incorporating order enhance capacitive performance SC electrode. The WS2-coated (WS2/3D-PCE) exhibits 2.8 times higher specific capacitance than at 50 mV s−1. A solid-state symmetric supercapacitor (SS-SC) fabricated with WS2/3D-PCE polyvinyl alcohol (PVA)/Li2SO4 as gel electrolytes. Such 3D-PCE opens up opportunities design any custom-shaped tailored properties pave route future research will lead more electronics.

Language: Английский

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3D-printed multi-material optical fiber sensor for dual sensing applications

Advanced Composites and Hybrid Materials, Journal Year: 2025, Volume and Issue: 8(1)

Published: Jan. 7, 2025

Abstract Optical fiber sensors are widely utilized for their precision, stability, adjustable functionality, and minimal signal degradation. They excel in detecting diverse parameters, even challenging situations where conventional may falter. This study aims to create a novel optical sensor capable of concurrently both temperature ultraviolet (UV) radiation. The was fabricated using digital light processing 3D printing technique. photocurable resin the prepared by incorporating thermochromic powder UV-sensitive powders into polyethylene glycol diacrylate hydroxyethyl methacrylate polymer blend multi-material printing. fibers were printed two distinct orientations: horizontal vertical. characterization these carried out measuring transmission reflection customized measurement setups. vertically oriented exhibit more reflectivity, whereas horizontally demonstrate higher transmission, owing layering phenomenon. significant variation spectra, making them ideal dual sensing. A notable change percentage at 600 nm observed temperatures 25℃, 35℃, 45℃, reducing from 12.13 9.5%, 17.31 15.6%, 19.62 17.98% upon exposure UV radiation, respectively. presence radiation fluctuations can be easily distinguished analyzing spectra. proposed provide promising sensing platform applications continuous monitoring detection is required.

Language: Английский

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Three-Dimensional Printing/Bioprinting and Cellular Therapies for Regenerative Medicine: Current Advances

Journal of Functional Biomaterials, Journal Year: 2025, Volume and Issue: 16(1), P. 28 - 28

Published: Jan. 16, 2025

The application of three-dimensional (3D) printing/bioprinting technologies and cell therapies has garnered significant attention due to their potential in the field regenerative medicine. This paper aims provide a comprehensive overview 3D technology therapies, highlighting results diverse medical applications, while also discussing capabilities limitations combined use. synergistic combination printing cellular been recognised as promising innovative approach, it is expected that these will progressively assume crucial role treatment various diseases conditions foreseeable future. review concludes with forward-looking perspective on future impact technologies, revolutionize medicine through enhanced tissue repair organ replacement strategies.

Language: Английский

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High-Q Emission from Colloidal Quantum Dots Embedded in Polymer Quasi-BIC Metasurfaces

Nano Letters, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 18, 2025

Metasurfaces supporting narrowband resonances are of significant interest in photonics for molecular sensing, quantum light source engineering, and nonlinear photonics. However, many device architectures rely on large refractive index dielectric materials lengthy fabrication processes. In this work, we demonstrate quasi-bound states the continuum (quasi-BICs) using a polymer metasurface exhibiting experimental quality factors 305 at visible wavelengths. Our process only consists electron-beam lithography resist development, making it compatible with large-scale techniques. Additionally, address challenges integrating colloidal dots (CQDs) into nanopillars, such as depletion-induced aggregation excess nanoparticle removal, by leveraging our previously reported functionalization method modified development procedures. We both polarized emission from CQD-integrated quasi-BIC metasurfaces. proposed platform is broadly applicable across various emitters methods could enable advancements scalable manufacturing resonant optical devices.

Language: Английский

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3D‐Printed Polymeric Biomaterials for Health Applications

Advanced Healthcare Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 5, 2024

Abstract 3D printing, also known as additive manufacturing, holds immense potential for rapid prototyping and customized production of functional health‐related devices. With advancements in polymer chemistry biomedical engineering, polymeric biomaterials have become integral to 3D‐printed applications. However, there still exists a bottleneck the compatibility with different printing methods, well intrinsic challenges such limited resolution rates. Therefore, this review aims introduce current state‐of‐the‐art It begins an overview landscape techniques, followed by examination commonly used biomaterials. Subsequently, examples devices are provided classified into categories biosensors, bioactuators, soft robotics, energy storage systems, self‐powered devices, data science bioplotting. The emphasis is on exploring capabilities manufacturing desired geometries that facilitate device functionality studying reasons material choice. Finally, outlook possible improvements near future presented, projecting contribution general field healthcare.

Language: Английский

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Hybrid 3D printed three-axis force sensor aided by machine learning decoupling

International Journal of Smart and Nano Materials, Journal Year: 2024, Volume and Issue: 15(2), P. 261 - 278

Published: Feb. 8, 2024

Identification of magnitude and orientation for spatially applied loading is highly desired in the fields not only machinery components but also human-machine interaction. Despite fact that 3-axis force sensor with different structures has been proposed to measure spatial force, there are still some common limitations including multi-step manufacturing-assembly processes complicated testing decoupling calibration. Here, we propose a rapid fabrication strategy low-cost achieve high-precision sensors. The designed compose structural Maltese cross base sensing units. It directly fabricated within one step by hybrid 3D printing technology combining deposition modeling (FDM) direct-ink-writing (DIW). In particular, machine learning (ML) model used convert strain signal components. Instead mount calibration tests, this ML trained sufficient simulation data based on programmed batch finite element modeling. This capable continuously identifying varying orientation, which successfully quantify traditional Chinese medicine physiotherapy Gua Sha massage. work provides insight design multi-axis sensors, as well potential applications.

Language: Английский

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