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

Confocal Fluorescence Microscopy01:16

Confocal Fluorescence Microscopy

16.0K
Confocal microscopy is an advanced microscopic technique. The prime advantage of the confocal microscope over other microscopy techniques is its ability to block the out-of-focus light from the illuminated samples using pinholes. It is widely used with fluorescence optics to obtain high-resolution, sharp contrast images. Unlike optical microscopes, confocal microscopes use a focused beam of light laser to scan the entire sample surface at different z-planes. These microscopes are, therefore,...
16.0K

You might also read

Related Articles

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

Sort by
Same author

Rh(III)-Catalyzed [4 + 1] Annulation of Benzamides with CF<sub>3</sub>-Ynones as a C<sub>1</sub> Synthon: Access to CF<sub>3</sub>-Containing Isoindolinones.

Organic letters·2026
Same author

Emission dipole orientation reveals dynamic single-molecule interactions with 2D crystals at solvent interfaces.

Nature communications·2026
Same author

All-water supercapacitor enabled by 1-nm clay channels.

Nature communications·2026
Same author

Wired and Wireless Photosynthetic Biohybrids: Design, Materials, and Mechanisms.

Chemical reviews·2026
Same author

Endogenous Engineering Reprograms Extracellular Vesicles for Enhanced Therapeutic Function.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same author

A Lens into the Cu Nanograin by <i>In Situ</i> Vibrational Spectroscopy.

Journal of the American Chemical Society·2026

Related Experiment Video

Updated: May 2, 2026

Implementation of a Reference Interferometer for Nanodetection
16:11

Implementation of a Reference Interferometer for Nanodetection

Published on: April 26, 2014

8.8K

Tunable nanowire nonlinear optical probe.

Yuri Nakayama1, Peter J Pauzauskie, Aleksandra Radenovic

  • 1Department of Chemistry, University of California, USA.

Nature
|June 29, 2007
PubMed
Summary

Researchers developed a tunable, electrode-free coherent visible light source using potassium niobate nanowires. This breakthrough enables subwavelength microscopy compatible with physiological conditions, advancing optical sciences.

More Related Videos

Silicon Nanowires and Optical Stimulation for Investigations of Intra- and Intercellular Electrical Coupling
08:58

Silicon Nanowires and Optical Stimulation for Investigations of Intra- and Intercellular Electrical Coupling

Published on: January 28, 2021

3.8K
Monitoring Conformational Dynamics of Single Unmodified Proteins using Plasmonic Nanotweezers
09:33

Monitoring Conformational Dynamics of Single Unmodified Proteins using Plasmonic Nanotweezers

Published on: March 21, 2025

1.4K

Related Experiment Videos

Last Updated: May 2, 2026

Implementation of a Reference Interferometer for Nanodetection
16:11

Implementation of a Reference Interferometer for Nanodetection

Published on: April 26, 2014

8.8K
Silicon Nanowires and Optical Stimulation for Investigations of Intra- and Intercellular Electrical Coupling
08:58

Silicon Nanowires and Optical Stimulation for Investigations of Intra- and Intercellular Electrical Coupling

Published on: January 28, 2021

3.8K
Monitoring Conformational Dynamics of Single Unmodified Proteins using Plasmonic Nanotweezers
09:33

Monitoring Conformational Dynamics of Single Unmodified Proteins using Plasmonic Nanotweezers

Published on: March 21, 2025

1.4K

Area of Science:

  • Subwavelength optics
  • Nanophotonics
  • Optical microscopy

Background:

  • Developing tunable coherent laser sources stable at room temperature and physiological conditions is a challenge for subwavelength optics.
  • Existing advanced imaging techniques achieve nanoscale resolution, but limitations remain for biological applications.

Purpose of the Study:

  • To create a continuously tunable, electrode-free coherent visible light source.
  • To implement a novel subwavelength microscopy technique using this light source.

Main Methods:

  • Utilized individual potassium niobate (KNbO3) nanowires as the core component.
  • Leveraged second harmonic generation and sum/difference frequency generation for color tunability.
  • Employed an infrared laser for optical trapping and scanning of the nanowire over a sample.

Main Results:

  • Demonstrated an electrode-free, continuously tunable coherent visible light source from KNbO3 nanowires.
  • Achieved local synthesis of a wide range of colors via frequency conversion.
  • Successfully implemented a novel subwavelength microscopy technique.

Conclusions:

  • Potassium niobate nanowires offer a promising platform for tunable, physiological-compatible coherent light sources.
  • The developed nanometric light source enables new forms of subwavelength microscopy.
  • Potential applications span physics, chemistry, materials science, and biology.