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Updated: Jun 23, 2026

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
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Published on: July 12, 2017

Optical amplifier for space applications.

R L Fork, S Cole, W Diffey

    Optics Express
    |April 30, 2009
    PubMed
    Summary
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    Researchers developed a high-power optical amplifier to boost segmented wavefronts to kilowatt levels. This technology enables efficient power transmission for space-based solar power and remote energy needs.

    Area of Science:

    • Optics and Photonics
    • High-Power Laser Systems
    • Wavefront Engineering

    Background:

    • Large-aperture optical systems face challenges in maintaining beam quality and power.
    • Efficient energy transmission over long distances requires advanced amplification techniques.

    Purpose of the Study:

    • To design and demonstrate a kilowatt-average-power optical amplifier for spatially segmented wavefronts.
    • To enable a strategy for segmenting, amplifying, and coherently combining large optical wavefronts.

    Main Methods:

    • Development of a novel optical amplifier architecture.
    • Implementation of active feedback for phase coherence maintenance.
    • Spatial segmentation and coherent imaging of amplified optical fields.

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    Microfluidic Imaging Flow Cytometry by Asymmetric-detection Time-stretch Optical Microscopy (ATOM)
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    Published on: June 28, 2017

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    Last Updated: Jun 23, 2026

    20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
    10:17

    20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

    Published on: July 12, 2017

    Microfluidic Imaging Flow Cytometry by Asymmetric-detection Time-stretch Optical Microscopy (ATOM)
    07:19

    Microfluidic Imaging Flow Cytometry by Asymmetric-detection Time-stretch Optical Microscopy (ATOM)

    Published on: June 28, 2017

    Main Results:

    • Achieved kilowatt-average power amplification of spatially sampled optical wavefront components.
    • Demonstrated maintenance of phase coherence across amplified segments.
    • Successfully imaged the resultant amplified coherent field.

    Conclusions:

    • The developed optical amplifier is a key enabling technology for high-power, long-distance optical energy transmission.
    • This approach has significant implications for space solar power and powering remote terrestrial locations.