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

Inverse Trigonometric Functions01:29

Inverse Trigonometric Functions

272
Inverse trigonometric functions are fundamental mathematical tools that reverse the actions of standard trigonometric functions. While trigonometric functions map angles to ratios, inverse trigonometric functions perform the opposite operation by mapping a ratio back to its corresponding angle. These functions are essential in various applications, particularly in determining angles when given specific distances, such as calculating elevation angles in navigation and engineering.For a function...
272
Inverse Hyperbolic Functions and Their Derivatives01:25

Inverse Hyperbolic Functions and Their Derivatives

68
The shape of a suspension bridge cable hanging under its own weight is described by a catenary curve, which is modeled using the hyperbolic cosine function. This mathematical model accurately captures the balance between gravity and tension acting along the cable. When a particular vertical position on the cable is known, the corresponding horizontal position can be determined using the inverse hyperbolic cosine function, allowing for a detailed analysis of the cable's geometry.Inverse...
68
Derivatives of Inverse Trigonometric Functions01:30

Derivatives of Inverse Trigonometric Functions

418
A ship tracking an approaching aircraft relies on geometric measurements to find out the aircraft’s position relative to the observer. By measuring the slant distance to the aircraft and the angle of elevation, the horizontal and vertical components of the distance can be obtained using trigonometric relationships. This geometric approach provides a basis for analyzing how the observed angle changes as the aircraft moves closer to the ship.To examine the mathematical behavior of the angle...
418
Hyperbolic and Inverse Hyperbolic Functions: Problem Solving01:30

Hyperbolic and Inverse Hyperbolic Functions: Problem Solving

122
An arched gate can be effectively modeled using a hyperbolic cosine profile because this type of function is smooth and symmetric about the vertical axis. When the arch is centered at the origin, its maximum height occurs at the center point. This symmetry ensures that any height below the crown of the arch is reached at two horizontal positions that are equal in distance from the centerline but lie on opposite sides.To determine where the gate reaches a height of five meters, the height of the...
122
Graphing the Wave Function01:13

Graphing the Wave Function

3.1K
Consider the wave equation for a sinusoidal wave moving in the positive x-direction. The wave equation is a function of both position and time. From the wave equation, two different graphs can be plotted.
3.1K
The Wave Nature of Light02:12

The Wave Nature of Light

61.3K
The nature of light has been a subject of inquiry since antiquity. In the seventeenth century, Isaac Newton performed experiments with lenses and prisms and was able to demonstrate that white light consists of the individual colors of the rainbow combined together. Newton explained his optics findings in terms of a "corpuscular" view of light, in which light was composed of streams of extremely tiny particles traveling at high speeds according to Newton's laws of motion.
61.3K

You might also read

Related Articles

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

Sort by
Same author

Gradient-informed Bayesian and interior point optimization for efficient inverse design in nanophotonics.

Optics express·2026
Same author

Gating Upconversion Electroluminescence in a Single Molecule via Adsorption-Induced Interaction of Unpaired Spin.

ACS nano·2026
Same author

Chiral Cavities Made from Lattices of Highly Electromagnetically Chiral Scatterers.

Physical review letters·2026
Same author

Electrostatic comb-drive actuators for nanoelectromechanical photonics: theory, design, fabrication, and characterization.

Nanotechnology·2026
Same author

Farewell and greetings from the outgoing and incoming editors: editorial.

Optics letters·2026
Same author

Integrated array of coupled exciton-polariton condensates.

Nanophotonics (Berlin, Germany)·2025

Related Experiment Video

Updated: Jan 31, 2026

Fabrication of Surface Acoustic Wave Devices on Lithium Niobate
07:55

Fabrication of Surface Acoustic Wave Devices on Lithium Niobate

Published on: June 18, 2020

13.0K

Inverse photonic design of functional elements that focus Bloch surface waves.

Yannick Augenstein1, Andreas Vetter2,3, Babak Vosoughi Lahijani4

  • 11Institute of Theoretical Solid State Physics, Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany.

Light, Science & Applications
|December 20, 2018
PubMed
Summary

Researchers developed new functional elements to efficiently focus Bloch surface waves (BSWs) using inverse photonic design. These elements overcome limitations of low index contrast, enabling sub-wavelength focusing for integrated photonic devices.

More Related Videos

Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials
10:35

Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials

Published on: September 26, 2014

12.8K
Laser Micromachining for Polymer Surface Topography Design
05:49

Laser Micromachining for Polymer Surface Topography Design

Published on: September 19, 2025

488

Related Experiment Videos

Last Updated: Jan 31, 2026

Fabrication of Surface Acoustic Wave Devices on Lithium Niobate
07:55

Fabrication of Surface Acoustic Wave Devices on Lithium Niobate

Published on: June 18, 2020

13.0K
Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials
10:35

Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials

Published on: September 26, 2014

12.8K
Laser Micromachining for Polymer Surface Topography Design
05:49

Laser Micromachining for Polymer Surface Topography Design

Published on: September 19, 2025

488

Area of Science:

  • Photonics
  • Materials Science
  • Nanotechnology

Background:

  • Bloch surface waves (BSWs) propagate at the interface of dielectric photonic crystals and ambient materials.
  • BSW propagation is controlled by spatially structured device layers that alter the effective refractive index.
  • Existing focusing elements are limited by low index contrast (Δn≈0.1), hindering efficient sub-wavelength focusing.

Purpose of the Study:

  • To develop novel functional elements for efficient Bloch surface wave focusing.
  • To overcome the limitations of low index contrast in conventional BSW focusing devices.
  • To enable sub-wavelength focusing of BSWs for advanced photonic applications.

Main Methods:

  • Utilized an inverse photonic design strategy to create functional focusing elements.
  • Fabricated selected inverse design elements.
  • Experimentally verified focusing capabilities using scanning near-field optical microscopy to measure field distributions.

Main Results:

  • Achieved efficient focusing of Bloch surface waves into spatial domains smaller than half the wavelength.
  • Demonstrated the effectiveness of inverse design elements in overcoming low index contrast limitations.
  • Experimental verification confirmed the predicted focusing performance of the fabricated elements.

Conclusions:

  • Inverse photonic design provides a powerful strategy for creating efficient BSW focusing elements.
  • The developed focusing elements are suitable for integrated photonic devices and lab-on-chip sensing applications.
  • This work advances the development of next-generation photonic devices leveraging Bloch surface waves.