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Related Experiment Video

Updated: Jun 22, 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

Shaping a femtosecond pulse with a programmable thermo-optically driven phase modulator.

F M Reinert, M Ninck, W Lüthy

    Optics Express
    |June 18, 2009
    PubMed
    Summary

    A novel femtosecond pulse shaping apparatus uses a thermo-optic spatial phase modulator, controlled by a computer and projector. This technology enables advanced optical pulse manipulation for various scientific applications.

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    Area of Science:

    • Optics and Photonics
    • Femtosecond Laser Technology
    • Materials Science

    Background:

    • Precise control over ultrashort laser pulses is crucial for advanced scientific research.
    • Existing pulse shaping technologies often face limitations in speed, controllability, or dimensionality.

    Purpose of the Study:

    • To present a novel femtosecond pulse shaping apparatus.
    • To demonstrate the capabilities of a thermo-optically driven spatial phase modulator for optical pulse control.

    Main Methods:

    • Development of a femtosecond pulse shaping system utilizing a thermo-optically driven spatial phase modulator.
    • Illumination of the modulator cell with a standard projector for computer-controlled operation.
    • Demonstration of one-dimensional phase-only shaping, including dispersion compensation and pulse train generation.

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    Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
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    Published on: November 22, 2019

    Direct Imaging of Laser-driven Ultrafast Molecular Rotation
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    Published on: February 4, 2017

    Related Experiment Videos

    Last Updated: Jun 22, 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

    Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
    08:48

    Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

    Published on: November 22, 2019

    Direct Imaging of Laser-driven Ultrafast Molecular Rotation
    10:52

    Direct Imaging of Laser-driven Ultrafast Molecular Rotation

    Published on: February 4, 2017

    Main Results:

    • Successful implementation of a computer-controllable femtosecond pulse shaping apparatus.
    • Demonstration of feedback-controlled dispersion compensation.
    • Generation of controlled pulse trains using the developed system.

    Conclusions:

    • The presented thermo-optic spatial phase modulator offers a versatile platform for femtosecond pulse shaping.
    • The apparatus is easily controllable and has potential for two-dimensional pulse shaping applications.
    • This technology advances capabilities in ultrafast optics and laser manipulation.