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Related Experiment Video

Updated: Jun 22, 2026

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

Diffractive optical elements for high gain lasers with arbitrary output beam profiles.

Adam J Caley, Martin J Thomson, Jinsong Liu

    Optics Express
    |June 24, 2009
    PubMed
    Summary
    This summary is machine-generated.

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    A novel laser cavity uses a diffractive optical element (DOE) as both a mode and beam shaper. This innovative design maximizes energy extraction and allows for arbitrary output beam profiles, enhancing laser performance.

    Area of Science:

    • Optics and Photonics
    • Laser Physics
    • Optical Engineering

    Background:

    • Traditional laser cavities rely on separate components for mode and beam shaping.
    • Output couplers typically limit the flexibility in tailoring laser beam characteristics.
    • Diffractive optical elements (DOEs) offer potential for multifunctional optical components.

    Purpose of the Study:

    • To introduce and analyze a novel laser cavity configuration utilizing a DOE.
    • To demonstrate the DOE's dual functionality as both a mode and beam shaper.
    • To optimize the DOE for independent control over mode shape and output beam profile.

    Main Methods:

    • A diffractive optical element (DOE) was employed in place of a conventional output coupler.
    • Dual wavelength DOE optimization techniques were utilized.

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    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

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    Last Updated: Jun 22, 2026

    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

    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

  • Phase delays greater than 2π were implemented for independent function design.
  • Performance was modeled for a 1m cavity with 5mm mirrors at 632.8nm.

    • Main Results:

    • The DOE successfully functioned in both reflection (mode shaping) and transmission (beam shaping).
    • Independent design of mode shape and output beam profile was achieved.
    • A DOE with 32 quantization levels and 8π maximum phase delay yielded high-quality results.
    • Maximized energy extraction from the gain medium was demonstrated.

    Conclusions:

    • The proposed laser cavity configuration offers enhanced control over laser beam properties.
    • Integrating DOE functionality simplifies laser design and improves energy extraction efficiency.
    • This approach enables the generation of arbitrary output beam profiles tailored for specific applications.