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20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
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Tunable ultraviolet laser source based on solid-state dye laser technology and CsLiB(6)O(10) harmonic generation.

S Chandra, T H Allik, J A Hutchinson

    Optics Letters
    |February 15, 1997
    PubMed
    Summary
    This summary is machine-generated.

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    Researchers developed a tunable ultraviolet (UV) laser emitting at 289nm. This high-brightness solid-state dye laser achieved significant UV energy with high conversion efficiency.

    Area of Science:

    • Optics and Photonics
    • Laser Technology
    • Materials Science

    Background:

    • Solid-state dye lasers offer tunable wavelength output.
    • Efficient frequency conversion is crucial for generating specific UV wavelengths.
    • High-brightness laser sources are essential for various scientific applications.

    Purpose of the Study:

    • To develop a tunable solid-state dye laser system for generating ultraviolet (UV) radiation.
    • To demonstrate efficient frequency doubling of a visible laser to produce UV light.
    • To characterize the performance and damage threshold of the UV-generating medium.

    Main Methods:

    • A 532-nm Nd:YAG laser was used to pump a high-brightness solid-state dye laser.
    • Frequency doubling was achieved using a Cesium Lithium Beryllium Borate (CsLiB6O10) crystal.

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  • A singly doped, rotating pyrromethene dye plastic disk was employed for frequency doubling in the 284-294 nm range.

    • Main Results:

    • Tunable UV radiation centered at 289 nm was successfully generated.
    • A damage threshold greater than 3 J/cm(2) was demonstrated for the dye medium.
    • UV energies of up to 44 mJ at 10 Hz were achieved with 15% absolute conversion efficiency from 532 nm.

    Conclusions:

    • The developed solid-state dye laser system provides a viable method for generating tunable UV radiation.
    • The pyrromethene dye plastic disk exhibits excellent optical properties and a high damage threshold.
    • This technology holds promise for applications requiring high-energy, tunable UV light sources.