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Efficient high-energy SHG using a triaxial flashlamp-pumped dye laser.

R M Schotland

    Applied Optics
    |March 11, 2010
    PubMed
    Summary

    A novel triaxial flashlamp-pumped dye laser achieves efficient high-energy second-harmonic generation (SHG). This laser system produces 100 mJ at 305 nm with 12% doubling efficiency.

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    Area of Science:

    • Laser physics
    • Nonlinear optics

    Background:

    • Efficient high-energy laser systems are crucial for various scientific applications.
    • Second-harmonic generation (SHG) is a key process for frequency conversion in lasers.

    Purpose of the Study:

    • To describe a novel triaxial flashlamp-pumped dye laser system.
    • To demonstrate its capability for efficient high-energy second-harmonic generation (SHG).

    Main Methods:

    • The laser system comprises a tunable oscillator and a single amplifier operating near 610 nm.
    • An angle-tuned potassium dihydrogen phosphate (KDP) crystal was used as the harmonic generator.
    • Cylindrical focusing optics were employed for the SHG process.

    Main Results:

    • The laser system exhibited good beam quality, enabling efficient SHG.
    • A typical energy output of 100 mJ at 305 nm was achieved.
    • A doubling efficiency of 12% was obtained for the SHG process.

    Conclusions:

    • The described triaxial flashlamp-pumped dye laser is effective for high-energy SHG.
    • The system demonstrates a practical approach to efficient frequency conversion using KDP crystals.

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