Search research articles

Related Concept Videos

Focusing of Light in the Eye

Focusing of Light in the Eye

Light rays enter the eye through the cornea, a transparent dome-shaped tissue that is the eye's outermost layer. The cornea bends or refracts, light rays traveling to the pupil. The shape of the cornea determines how much of the light is bent and whether the image will be focused correctly on the retina at the back of the eye. Once the light has passed through both refraction layers, it converges into a single focal point onto a small area. This is where photoreceptors start transforming...

Imaging Biological Samples with Optical Microscopy

Imaging Biological Samples with Optical Microscopy

Optical microscopy uses optic principles to provide detailed images of samples. Antonie van Leeuwenhoek designed the first compound optical microscope in the 17th century to visualize blood cells, bacteria, and yeast cells. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes with enhanced magnification and resolution.
In optical microscopy, the specimen to be viewed is placed on a glass slide and clipped on the stage...

You might also read

Related Articles

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

Sort by

Same author

Strong Enhancement of Two-Photon Absorption and Emergence of Unusual Extinction Saturation in Silver Sulfide Quantum Dots Integrated with Gold and Silica Nanostructures.

ACS applied materials & interfaces·2025

Same author

Recovery of topologically robust merging bound states in the continuum in photonic structures with broken symmetry.

Nanophotonics (Berlin, Germany)·2025

Same author

Spontaneous symmetry breaking in plasmon lattice lasers.

Science advances·2024

Same author

Temporal Dynamics of Collective Resonances in Periodic Metasurfaces.

ACS photonics·2024

Same author

Monitoring the gold nanoshell growth mechanism: stabilizing and destabilizing effects of PEG-SH molecules.

Physical chemistry chemical physics : PCCP·2022

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Video

Updated: Jun 5, 2025

Fabrication of Silica Ultra High Quality Factor Microresonators

Fabrication of Silica Ultra High Quality Factor Microresonators

Published on: July 2, 2012

Enabling infinite Q factors in absorbing optical systems.

Radoslaw Kolkowski¹, Andriy Shevchenko¹

¹Department of Applied Physics, Aalto University, P.O.Box 13500, Aalto FI 00076, Espoo, Finland.

Nanophotonics (Berlin, Germany)

|December 5, 2024

Summary

Researchers created an absorption-free bound state in the continuum (BIC) by coupling a lossy mode to two lossless modes. This breakthrough enables ultrahigh-quality factor (Q) resonant optical structures, even with optical absorption.

Keywords:

bound state in the continuum optical absorption resonant metasurface

More Related Videos

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Published on: March 20, 2017

Related Experiment Videos

Last Updated: Jun 5, 2025

Fabrication of Silica Ultra High Quality Factor Microresonators

Fabrication of Silica Ultra High Quality Factor Microresonators

Published on: July 2, 2012

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Published on: March 20, 2017

Area of Science:

Optics and Photonics
Materials Science
Condensed Matter Physics

Background:

Resonant optical structures are crucial in various scientific and technological applications.
Optical absorption in structural components significantly degrades the quality (Q) factors of these resonances.
Existing methods struggle to maintain high Q factors in the presence of optical absorption.

Purpose of the Study:

To demonstrate a novel mechanism for creating absorption-free bound states in the continuum (BICs).
To engineer ultrahigh-Q resonant optical structures despite inherent optical absorption.
To achieve theoretically unlimited Q factors in BICs interacting with lossy materials.

Main Methods:

Coupling a lossy mode of an optical structure to two independent lossless modes.
Theoretical analysis of bound states in the continuum (BIC) formation.
Design and simulation of a plasmonic metasurface exhibiting the proposed BIC mechanism.

Main Results:

Successfully created a nonradiating and absorption-free bound state in the continuum (BIC).
Achieved theoretically unlimited Q factors for the engineered BIC, even with optical absorption.
Designed a plasmonic metasurface with Q factors approaching 10^7 in the visible spectrum.

Conclusions:

The presented mechanism effectively overcomes limitations imposed by optical absorption in resonant structures.
This approach enables the engineering of ultrahigh-Q resonances in diverse systems containing absorbing materials.
The findings pave the way for advanced optical devices with unprecedented performance characteristics.