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

Core-doped Ceramic Nd:YAG Laser.

Dietmar Kracht, Denis Freiburg, Ralf Wilhelm

    Optics Express
    |June 12, 2009
    PubMed
    Summary
    This summary is machine-generated.

    We developed a new composite core-doped ceramic Neodymium-doped Yttrium Aluminum Garnet (Nd:YAG) laser. This laser achieved 144 W output power with 64% efficiency using diode pumping.

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    13:51

    Synthesis of Core-shell Lanthanide-doped Upconversion Nanocrystals for Cellular Applications

    Published on: November 10, 2017

    Area of Science:

    • Materials Science
    • Laser Physics
    • Optoelectronics

    Background:

    • Neodymium-doped Yttrium Aluminum Garnet (Nd:YAG) lasers are widely used in various industrial and scientific applications.
    • Developing efficient and high-power solid-state lasers is crucial for advancing technologies like laser machining and medical treatments.
    • Composite ceramic materials offer advantages in laser performance due to improved thermal and optical properties compared to traditional single-crystal materials.

    Purpose of the Study:

    • To investigate the performance of a diode end-pumped composite core-doped ceramic Nd:YAG laser.
    • To demonstrate high output power and efficiency using a novel ceramic laser rod design.
    • To evaluate the effectiveness of longitudinal pumping with fiber-coupled laser diodes.

    Main Methods:

    • Fabrication of a composite ceramic Nd:YAG rod with a centrally doped core (1.5 mm diameter) within a larger rod (3 mm diameter).
    • Longitudinal pumping of the ceramic Nd:YAG rod using fiber-coupled laser diodes.
    • Measurement of output power and absorbed pump power to determine optical-to-optical efficiency.

    Main Results:

    • Achieved a maximum output power of 144 W.
    • Utilized an absorbed pump power of 226 W.
    • Reached an optical-to-optical efficiency of 64%.

    Conclusions:

    • The diode end-pumped composite core-doped ceramic Nd:YAG laser demonstrates high output power and efficiency.
    • The ceramic rod design and longitudinal pumping method are effective for high-power laser operation.
    • This technology shows significant potential for applications requiring efficient, high-power laser sources.