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Related Experiment Video

Updated: Jun 12, 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

Frequency stability measurements on polarization-stabilized He-Ne lasers.

T M Niebauer, J E Faller, H M Godwin

    Applied Optics
    |June 10, 2010
    PubMed
    Summary

    This study demonstrates that Helium-Neon (He-Ne) lasers stabilized by matching orthogonal polarization modes achieve high frequency stability. These lasers offer excellent performance for precision measurement applications.

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    Last Updated: Jun 12, 2026

    Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements
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    09:38

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    Published on: December 18, 2015

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    07:56

    A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

    Published on: September 5, 2019

    Area of Science:

    • Atomic, Molecular, and Optical Physics
    • Laser Physics and Technology

    Background:

    • Helium-Neon (He-Ne) lasers are widely used in scientific and industrial applications.
    • Precise frequency stabilization is crucial for many applications, including metrology and spectroscopy.

    Purpose of the Study:

    • To present detailed stability measurements of He-Ne lasers stabilized using intensity matching of orthogonal polarization modes.
    • To evaluate the long-term frequency accuracy and stability of these laser systems.

    Main Methods:

    • Stabilization of six He-Ne lasers by matching the intensity of two orthogonal polarization modes.
    • Frequency monitoring of five lasers over 1 month and one laser over 2 years.

    Main Results:

    • All lasers demonstrated a stability of 1 part in 10^10 over hourly periods.
    • Stability better than 1 part in 10^8 was achieved over 1 year.
    • Absolute accuracy of approximately 1 part in 10^9 is attainable with 6-12 month calibration intervals.

    Conclusions:

    • He-Ne lasers stabilized by polarization intensity matching offer high frequency stability and accuracy.
    • These 1-mW lasers are rugged, simple to operate, and suitable for demanding applications.