Jove
Visualize
Contact Us

Related Concept Videos

Standing Waves in a Cavity01:28

Standing Waves in a Cavity

A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:

You might also read

Related Articles

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

Sort by
Same author

Rapidly tunable CO2 TEA laser.

Applied optics·2010
Same author

Optical absorption in thin slabs and spherical particles.

Applied optics·2010
Same author

Photoacoustic determination of optical absorption to extinction ratio in aerosols.

Applied optics·2010
Same author

Opacity of black smoke: calculated variation with particle size and refractive index: erratum.

Applied optics·2010
Same author

Opacity of black smoke: calculated variation with particle size and refractive index.

Applied optics·2010
Same author

Carbon aerosol visibility vs particle size distribution.

Applied optics·2010
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 Video

Updated: Jun 20, 2026

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements
14:18

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements

Published on: February 28, 2016

Modes of a unidirectional ring laser.

F R Faxvog1

  • 1Physics Department, General Motors Research Laboratories, Warren, Michigan 48090, USA.

Optics Letters
|August 21, 2009
PubMed
Summary

Unidirectional ring lasers with an extra mirror maintain the same operational modes as conventional ring lasers. Adding an extra mirror does not introduce new interferometric effects, confirmed by He-Ne laser experiments.

Area of Science:

  • Physics
  • Optical Engineering
  • Laser Technology

Background:

  • Ring laser cavities are fundamental for various laser applications.
  • Achieving unidirectional operation is crucial for many laser systems.
  • Conventional ring lasers often employ specific designs to ensure unidirectional output.

Purpose of the Study:

  • To analyze the operational modes of a ring laser cavity modified with an extra mirror for unidirectional operation.
  • To determine if the additional mirror introduces new interferometric effects.
  • To experimentally validate the theoretical analysis using a He-Ne laser.

Main Methods:

  • Theoretical analysis of ring laser cavity modes with an added mirror.
  • Investigation of the optical path and potential interferometric effects.

More Related Videos

Direct Imaging of Laser-driven Ultrafast Molecular Rotation
10:52

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

Characterization of Anisotropic Leaky Mode Modulators for Holovideo
09:36

Characterization of Anisotropic Leaky Mode Modulators for Holovideo

Published on: March 19, 2016

Related Experiment Videos

Last Updated: Jun 20, 2026

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements
14:18

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements

Published on: February 28, 2016

Direct Imaging of Laser-driven Ultrafast Molecular Rotation
10:52

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

Characterization of Anisotropic Leaky Mode Modulators for Holovideo
09:36

Characterization of Anisotropic Leaky Mode Modulators for Holovideo

Published on: March 19, 2016

  • Experimental setup using a Helium-Neon (He-Ne) unidirectional ring laser.

    • Main Results:

    • The modes of the modified ring laser cavity are identical to those of a conventional ring laser.
    • The beam reflected from the extra mirror does not induce additional interferometric effects within the cavity.
    • Successful demonstration of operation with symmetric and asymmetric mode amplitude distributions around the Doppler line center.

    Conclusions:

    • An extra mirror for unidirectional operation does not alter the fundamental modes of a ring laser cavity.
    • The design is robust against additional interferometric noise from the extra mirror.
    • The findings are experimentally verified, confirming the theoretical predictions for He-Ne lasers.