Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Advancing siRNA Therapeutics with Pharmacometrics: A Review of Modeling Approaches and Clinical Applications.

Current gene therapy·2026
Same author

Actively Tunable Metalens with Varying Fields of View.

Nano letters·2026
Same author

Direct imaging-based gradient metasurface sensor enabling spectrometer-free ultrasensitive biomolecule detection.

Nature communications·2026
Same author

Modal contrast engineering in ultraviolet and visible metalenses enabled by material-selective hybridization.

Nature communications·2026
Same author

Active Control of Terahertz Transmission via Humidity-Responsive Swelling of Submicron Poly(vinyl alcohol)-Coated Nanoresonators.

Nano letters·2026
Same author

Revealing hidden periodicity in momentum-encoded metasurfaces.

Nature communications·2026

Related Experiment Video

Updated: Nov 23, 2025

Fabrication of Flexible Image Sensor Based on Lateral NIPIN Phototransistors
09:59

Fabrication of Flexible Image Sensor Based on Lateral NIPIN Phototransistors

Published on: June 23, 2018

8.0K

Printable Nanocomposite Metalens for High-Contrast Near-Infrared Imaging.

Gwanho Yoon1, Kwan Kim2, Se-Um Kim3

  • 1Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea.

ACS Nano
|January 1, 2021
PubMed
Summary
This summary is machine-generated.

Researchers developed printable metalenses using a silicon nanocomposite, enabling efficient, low-cost manufacturing. These novel metalenses show high focusing efficiency and potential for biomedical imaging applications.

Keywords:
dielectric metasurfaceeffective medium approximationlarge-scale nanofabricationnear-infrared camerasilicon nanoparticle

More Related Videos

Scalable Solution-processed Fabrication Strategy for High-performance, Flexible, Transparent Electrodes with Embedded Metal Mesh
11:09

Scalable Solution-processed Fabrication Strategy for High-performance, Flexible, Transparent Electrodes with Embedded Metal Mesh

Published on: June 23, 2017

10.4K
Synthesis of Near-Infrared Emitting Gold Nanoclusters for Biological Applications
09:11

Synthesis of Near-Infrared Emitting Gold Nanoclusters for Biological Applications

Published on: March 22, 2020

8.2K

Related Experiment Videos

Last Updated: Nov 23, 2025

Fabrication of Flexible Image Sensor Based on Lateral NIPIN Phototransistors
09:59

Fabrication of Flexible Image Sensor Based on Lateral NIPIN Phototransistors

Published on: June 23, 2018

8.0K
Scalable Solution-processed Fabrication Strategy for High-performance, Flexible, Transparent Electrodes with Embedded Metal Mesh
11:09

Scalable Solution-processed Fabrication Strategy for High-performance, Flexible, Transparent Electrodes with Embedded Metal Mesh

Published on: June 23, 2017

10.4K
Synthesis of Near-Infrared Emitting Gold Nanoclusters for Biological Applications
09:11

Synthesis of Near-Infrared Emitting Gold Nanoclusters for Biological Applications

Published on: March 22, 2020

8.2K

Area of Science:

  • Nanophotonics
  • Materials Science

Background:

  • Conventional metalens manufacturing faces limitations in scalability and cost.
  • High refractive index materials are crucial for efficient metalens performance.

Purpose of the Study:

  • To develop a printable silicon nanocomposite for cost-effective and high-performance metalens fabrication.
  • To demonstrate the efficacy of the nanocomposite metalens in near-infrared imaging applications.

Main Methods:

  • Synthesized a silicon nanocomposite by dispersing silicon nanoparticles in a printable resin.
  • Fabricated a 4 mm-diameter metalens using one-step printing and thermal annealing.
  • Tested the metalens performance at a 940 nm wavelength and demonstrated its use in a near-infrared camera.

Main Results:

  • The nanocomposite exhibits a high refractive index (>2.2) and low volume shrinkage (10%) after annealing.
  • Achieved a focusing efficiency of 47% with the fabricated metalens.
  • Successfully captured an image of subcutaneous veins, confirming biomedical imaging applicability.

Conclusions:

  • The printable silicon nanocomposite overcomes manufacturing limitations of conventional metalenses.
  • The developed metalenses offer high efficiency, low cost, and reusability for large-scale production.
  • The technology shows significant potential for advanced optical systems and biomedical imaging.