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Related Experiment Video

Updated: Jun 6, 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

Astigmatic gradient-index elements for laser-diode collimation and beam shaping.

S Sinzinger, K H Brenner, J Moisel

    Applied Optics
    |November 10, 2010
    PubMed
    Summary
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    Researchers developed a single refractive gradient-index element to collimate and shape light from edge-emitting laser diodes into symmetric beams, simplifying laser beam conversion.

    Area of Science:

    • Optics and Photonics
    • Materials Science

    Background:

    • Edge-emitting laser diodes produce asymmetric light beams.
    • Collimation and beam shaping are typically separate processes.
    • Astigmatic lenses create elliptical beam profiles requiring further correction.

    Purpose of the Study:

    • To develop a single optical element for simultaneous collimation and beam shaping.
    • To achieve symmetric laser beams from edge-emitting laser diodes.
    • To simplify the optical setup for laser beam conversion.

    Main Methods:

    • Design of refractive gradient-index (GRIN) elements.
    • Fabrication of GRIN lenses using silver-sodium ion exchange in glass.
    • Testing the optical performance of the fabricated elements.

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    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

    Related Experiment Videos

    Last Updated: Jun 6, 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

    Main Results:

    • Demonstrated a single GRIN element capable of both collimation and beam shaping.
    • Achieved conversion of astigmatic laser diode output into symmetric beams.
    • Successfully compensated for inherent beam asymmetry.

    Conclusions:

    • Refractive gradient-index elements offer an integrated solution for laser beam conversion.
    • Silver-sodium ion exchange is a viable fabrication method for these specialized lenses.
    • This approach simplifies optical systems and improves beam quality.