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 Experiment Videos

Metrics for negative-refractive-index materials.

K J Webb1, M Yang, D W Ward

  • 1School of Electrical and Computer Engineering, Purdue University, 465 Northwestern Avenue, West Lafayette, Indiana 47907-2035, USA. webb@purdue.edu

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|November 5, 2004
PubMed
Summary
This summary is machine-generated.

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

Corrigendum to: "Extreme ultraviolet transient gratings: A tool for nanoscale photoacoustics" [Photoacoustics 29 (2023) 100453].

Photoacoustics·2025
Same author

Extreme ultraviolet transient gratings: A tool for nanoscale photoacoustics.

Photoacoustics·2023
Same author

Ultrafast Suppression of the Ferroelectric Instability in KTaO_{3}.

Physical review letters·2022
Same author

Direct Observation of Coherent Longitudinal and Shear Acoustic Phonons in TaAs Using Ultrafast X-Ray Diffraction.

Physical review letters·2022
Same author

Nanoscale transient gratings excited and probed by extreme ultraviolet femtosecond pulses.

Science advances·2019
Same author

Effect of Polyphosphates in Combination with Nitrite-Sorbate or Sorbate on Clostridium botulinum Growth and Toxin Production in Chicken Frankfurter Emulsions.

Journal of food protection·2019
Same journal

Tension on dsDNA bound to ssDNA-RecA filaments may play an important role in driving efficient and accurate homology recognition and strand exchange.

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Publisher's Note: Amplitude-phase coupling drives chimera states in globally coupled laser networks [Phys. Rev. E 91, 040901(R) (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Erratum: Shapes of sedimenting soft elastic capsules in a viscous fluid [Phys. Rev. E 92, 033003 (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Erratum: Attenuation of excitation decay rate due to collective effect [Phys. Rev. E 90, 022142 (2014)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Publisher's Note: Role of connectivity and fluctuations in the nucleation of calcium waves in cardiac cells [Phys. Rev. E 92, 052715 (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Publisher's Note: Lattice Boltzmann approach for complex nonequilibrium flows [Phys. Rev. E 92, 043308 (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
See all related articles

Losses significantly impact field solutions in left-handed media, affecting evanescent fields. Power dissipation metrics indicate that field growth in left-handed material lenses will be negatively impacted by losses.

Area of Science:

  • Electromagnetism and Materials Science
  • Wave propagation in engineered media

Background:

  • Left-handed materials (LHMs) exhibit unique electromagnetic properties, including negative refractive indices.
  • Understanding field behavior and losses is crucial for LHM applications like perfect lenses.
  • Evanescent fields in conventional media decay rapidly, limiting their practical use.

Purpose of the Study:

  • To investigate the significance of dielectric and magnetic losses in the field solutions for left-handed media.
  • To analyze the impact of these losses on otherwise purely evanescent fields.
  • To evaluate the performance of left-handed material lenses under lossy conditions.

Main Methods:

  • Development of field solutions using an equivalent electric current source model.

Related Experiment Videos

  • Analysis of field behavior in both semi-infinite and finite thickness LHM configurations.
  • Quantification of field growth and power dissipation using uniform amplitude and uniform power excitations.

    • Main Results:

    • Losses were found to be critical in determining the field solution characteristics within left-handed media.
    • The presence of losses modifies the behavior of evanescent fields, preventing them from decaying purely.
    • Power dissipation metrics correlate negatively with field growth, indicating performance degradation.

    Conclusions:

    • Losses in left-handed materials significantly alter electromagnetic field propagation.
    • The potential of left-handed material lenses is adversely affected by power dissipation.
    • Further research is needed to mitigate losses for practical LHM device realization.