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Related Concept Videos

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The Bewley lattice diagram, developed by L. V. Bewley, effectively organizes the reflections occurring during transmission-line transients. It visually represents how voltage waves propagate and reflect within a transmission line, making it easier to understand the complex interactions that occur.
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Related Experiment Video

Updated: Jun 12, 2026

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
07:39

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Published on: July 21, 2018

Power distribution in the luminescent waveguide.

C Cao, H Kreuwel, T J Popma

    Applied Optics
    |June 23, 2010
    PubMed
    Summary
    This summary is machine-generated.

    This study details calculating light power distribution from luminescent particles in waveguides. Results show ~20% power in guided modes, 25% to cladding, and 55% to substrate.

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    Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
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    Published on: November 30, 2012

    Area of Science:

    • Optics and Photonics
    • Materials Science

    Background:

    • Waveguide structures are crucial for optical devices.
    • Luminescent materials offer unique light-emitting properties.
    • Understanding power distribution is key for device efficiency.

    Purpose of the Study:

    • To develop a method for calculating emitted power distribution from luminescent particles in waveguide films.
    • To quantify the percentage of power distributed among guided modes, cladding, and substrate.

    Main Methods:

    • Calculation of power distribution emitted by luminescent particles within a waveguide film.
    • Analysis of power transported by each guided mode.
    • Determination of power emitted into the cladding and substrate.

    Main Results:

    • For the sample studied, approximately 20% of power is in guided modes, 25% is emitted to the cladding, and 55% to the substrate.
    • Transverse Electric (TE) and Transverse Magnetic (TM) modes exhibit similar power distribution.
    • Lower-order film modes carry larger amounts of power.

    Conclusions:

    • The developed calculation method accurately predicts power distribution in luminescent waveguides.
    • The findings provide essential data for designing efficient luminescent waveguide devices.
    • Control over power distribution is achievable through waveguide design and material selection.