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Related Experiment Video

Updated: Jun 16, 2026

The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
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The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

Published on: August 12, 2013

Laser beam divergence utilizing a lateral shearing interferometer.

M E Riley, M A Gusinow

    Applied Optics
    |February 23, 2010
    PubMed
    Summary
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    This study analyzes the lateral shearing interferometer for laser beams. It provides a simple method to determine wavefront curvature and detect phase distortions.

    Area of Science:

    • Optics and Photonics
    • Laser Physics

    Background:

    • Lateral shearing interferometry is a technique used to measure wavefront properties.
    • Understanding wavefront characteristics is crucial for laser beam quality assessment.

    Purpose of the Study:

    • To analyze the performance of a lateral shearing interferometer for laser beams.
    • To develop a method for determining the local radius of curvature of a wavefront.
    • To ascertain the presence of phase distortion in laser beams.

    Main Methods:

    • Theoretical analysis of the lateral shearing interferometer.
    • Application of the interferometer to laser beam analysis.

    Main Results:

    • The analysis provides a straightforward method for measuring the local radius of curvature of a wavefront.

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  • The technique allows for the detection of phase distortions within the laser beam.

    • Conclusions:

    • Lateral shearing interferometry offers a simple and effective tool for laser beam characterization.
    • This method facilitates the assessment of wavefront quality and the identification of optical aberrations.