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Related Experiment Video

Updated: Jun 23, 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

Novel laser controlled variable matter wave beamsplitter.

H Theuer, R Unanyan, C Habscheid

    Optics Express
    |April 28, 2009
    PubMed
    Summary
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    Researchers created a new variable beam splitter using atomic states controlled by lasers. The device precisely manipulates light splitting ratios by adjusting laser interaction time delays.

    Area of Science:

    • Quantum optics
    • Atomic physics
    • Laser spectroscopy

    Background:

    • Laser-matter interactions are crucial for controlling light.
    • Dark states in atomic systems offer unique quantum properties.
    • Variable beam splitters are essential components in optical systems.

    Purpose of the Study:

    • To demonstrate a novel variable beam splitter.
    • To utilize laser control of non-adiabatic coupling in atomic states.
    • To investigate the physics of light splitting based on atomic interactions.

    Main Methods:

    • Employing a tripod-linkage of atomic states.
    • Utilizing laser control to induce non-adiabatic coupling between dark states.
    • Adjusting the time delay of laser-induced interactions.

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    Direct Imaging of Laser-driven Ultrafast Molecular Rotation
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    Direct Imaging of Laser-driven Ultrafast Molecular Rotation

    Published on: February 4, 2017

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

    Published on: November 22, 2019

    Related Experiment Videos

    Last Updated: Jun 23, 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

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

    Direct Imaging of Laser-driven Ultrafast Molecular Rotation

    Published on: February 4, 2017

    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

    Main Results:

    • Successfully demonstrated a variable beam splitter.
    • Showcased laser control over non-adiabatic coupling.
    • Established a tunable splitting ratio determined by interaction time delay.

    Conclusions:

    • The novel device offers precise control over beam splitting.
    • This method provides a new avenue for optical component design.
    • Potential applications in quantum information processing and metrology.