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Related Concept Videos

Characteristics of Series Resonant Circuit01:24

Characteristics of Series Resonant Circuit

Series resonance occurs in a circuit containing inductive (L), capacitive (C), and resistive (R) elements connected sequentially. At the resonance frequency, the inductive and capacitive reactances are equal in magnitude but opposite in sign, effectively canceling each other. This causes the circuit's impedance is minimal, primarily determined by the resistance R. The resonant frequency of an RLC circuit is defined as:

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Related Experiment Video

Updated: Jun 14, 2026

Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation
13:02

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Published on: February 25, 2017

Diffraction losses and mode structure of equivalent TEM(00) optical resonators.

H P Kortz, H Weber

    Applied Optics
    |March 25, 2010
    PubMed
    Summary

    This study simplifies calculating diffraction losses and mode structure for stable laser resonators. It reduces complex parameters to two key factors for easier analysis of laser beam characteristics.

    Area of Science:

    • Optics and Photonics
    • Laser Physics

    Background:

    • Laser resonators are fundamental optical cavities.
    • Understanding mode structure and diffraction losses is crucial for laser performance.

    Purpose of the Study:

    • To develop a general method for determining diffraction losses and mode structure in stable TEM(00) laser resonators.
    • To simplify the characterization of arbitrary laser resonators within the stable region.

    Main Methods:

    • Utilizing equivalence relations for resonator analysis.
    • Adapting aperture size to the undisturbed Gaussian beam.
    • Reducing characteristic parameters to an adapting factor 's' and the product 'g(1) * g(2)'.

    Main Results:

    • A simplified method to determine diffraction losses and mode structure (intensity and phase) for stable resonators.

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  • Numerical results demonstrating the application of the reduced parameters.
  • Analysis of the far-field intensity pattern.

    • Conclusions:

    • The proposed method effectively simplifies the analysis of TEM(00) laser resonators.
    • The reduced parameter set offers a more accessible approach to understanding resonator behavior and diffraction effects.