Results 71 to 80 of about 1,669 (167)

Grayscale two-photon 3D printed gradient-refractive-index metamaterial lens for dual-band mid-infrared imaging

open access: yesAPL Photonics
Gradient refractive index (GRIN) metamaterial lenses can achieve multi-band fusion infrared imaging and has the characteristics of integration, light weight, and achromaticity, compared with existing curved refractive lenses group.
Hai-Chao Luo   +4 more
doaj   +1 more source

Next‐Generation Image Sensors Based on Low‐Dimensional Semiconductor Materials

open access: yesAdvanced Materials, EarlyView.
Low‐dimensional semiconductor materials are promising candidates for photosensitive components in next‐generation image sensors. This review offers a thorough and timely examination of novel image sensors, covering their working principles, intriguing materials categorized into four main groups, and advanced imaging applications.
Yunxia Hu   +3 more
wiley   +1 more source

Multi-view neural 3D reconstruction of micro- and nanostructures with atomic force microscopy

open access: yesCommunications Engineering
Atomic Force Microscopy (AFM) is a widely employed tool for micro- and nanoscale topographic imaging. However, conventional AFM scanning struggles to reconstruct complex 3D micro- and nanostructures precisely due to limitations such as incomplete sample ...
Shuo Chen   +6 more
doaj   +1 more source

Micro‐Optics 3D Printed via Multi‐Photon Laser Lithography [PDF]

open access: hybrid, 2022
Diana Gonzalez‐Hernandez   +4 more
openalex   +1 more source

Development and Optimization of Micro‐Nanotopographical Platforms for Surface Enhanced Raman Scattering Biomolecular Detection

open access: yesAdvanced Materials Interfaces, EarlyView.
Lithographically defined concentric micro‐ and nanostructures systematically designed and fabricated as reproducible arrays for Surface‐enhanced Raman spectroscopy applications. Abstract Topologically designed micro‐ and nanostructured surface‐enhanced Raman scattering (SERS) substrates propel the advancements of innovative applications, including ...
David Femi Odetade   +2 more
wiley   +1 more source

Multiplexed Bio‐detection on an Interferometric Optical Waveguide Assembly

open access: yesAdvanced Materials Interfaces, EarlyView.
Multiplexed remote bio‐detection is demonstrated through an image conduit composed of 3012 individual cores and coated with interferometric layers. The proof of concept of biodetection is performed through the kinetic monitoring of two complementary DNA strands hybridization paving the way for applications in multiplex in situ biosensing, and ...
Oleksii Bratash   +6 more
wiley   +1 more source

Loss‐induced phase transition in mid‐infrared plasmonic metamaterials for ultrasensitive vibrational spectroscopy

open access: yesInfoMat, Volume 4, Issue 12, December 2022., 2022
Metamaterials provide unique opportunities for exciting sensing functionalities and applications, while suffering from severe performance limitations due to noise interference and design constraints. By subtly controlling and integrating different Fano‐resonant phases, a dual‐phase strategy is developed to breakthrough these limitations.
Hong Zhou   +4 more
wiley   +1 more source

The Role of Silicon Technology in Organ‐On‐Chip: Current Status and Future Perspective

open access: yesAdvanced Materials Technologies, EarlyView.
This review explores the potential of silicon micro‐nanofabrication technologies in advancing organ‐on‐chip systems. The integration of actuation and sensing modalities, highlight emerging technologies is discussed for combining silicon‐based and polymer‐based components, and emphasize the need for robust, high‐throughput, and customizable organ‐on ...
Frøydis Sved Skottvoll   +2 more
wiley   +1 more source

Terahertz Metamaterial Sensors: Design Theory, Optimization Approach, and Advancements in Biosensing Applications

open access: yesAdvanced Materials Technologies, EarlyView.
This review provides an in‐depth overview of the design principles and optimization strategies for terahertz (THz) metamaterials (MMs) sensors based on the dielectric perturbation theory. Various structures and methods are explored to enhance sensor performance, focusing on improving sensitivity and Q‐factor.
Lei Cao   +9 more
wiley   +1 more source

A Protocol Using Compact 3D Printed Micro‐Optical Elements for Protein Identification from Low‐Intensity Amino‐Acid Raman Signals

open access: yesAdvanced Materials Technologies, EarlyView.
High speed Raman spectroscopy has various applications, e.g. the sequencing of proteins. However, low signal intensity coincides with the low measurement time. The study presents a protocol using only a small number of sensitive single‐photon detectors measuring optimized spectral regions.
Jannis Weinacker   +8 more
wiley   +1 more source

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