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Related Experiment Video

Updated: Jun 8, 2026

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
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Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

Published on: January 28, 2019

Laser mirrors with variable reflected intensity and uniform phase shift: design process.

A Piegari, G Emiliani

    Applied Optics
    |September 22, 2010
    PubMed
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    This study presents optimized optical coatings for laser mirrors in unstable resonators, enabling precise control over reflectance for improved laser beam quality. The new designs minimize wavefront distortion, enhancing laser performance.

    Area of Science:

    • Optics and Photonics
    • Laser Technology

    Background:

    • Circularly symmetric graded reflectance coatings are crucial for laser mirrors in unstable resonators.
    • Existing designs face challenges in achieving precise reflectance control and minimizing wavefront distortion.

    Purpose of the Study:

    • To design and optimize optical coatings for laser mirrors with circularly symmetric graded reflectance.
    • To achieve any desired maximum central reflectance with null external reflectance.
    • To minimize distortion of the reflected and transmitted wavefront.

    Main Methods:

    • Discussion of various design approaches for graded reflectance coatings.
    • Proposal and analysis of an optimized coating design.
    • Examination of super-Gaussian and step reflectance profiles.

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    Published on: February 4, 2017

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    Last Updated: Jun 8, 2026

    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
    08:39

    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

    Published on: January 28, 2019

    The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
    12:14

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

    Published on: August 12, 2013

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    Direct Imaging of Laser-driven Ultrafast Molecular Rotation

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    Main Results:

    • An optimized design achieving negligible wavefront distortion is proposed.
    • The design allows for flexible control of central reflectance while ensuring null external reflectance.
    • Super-Gaussian and step profiles are evaluated as potential solutions for enhanced beam quality.

    Conclusions:

    • Optimized optical coatings with circularly symmetric graded reflectance significantly improve laser beam quality in unstable resonators.
    • The proposed design offers a practical solution for precise reflectance control and minimal optical distortion.
    • Further investigation into super-Gaussian and step profiles can lead to advanced laser applications.