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Holmium:YAG Laser in Clinical Urology

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Laser is used for treatment of bladder and prostate problems and kidney stones.

Dr. Adam C. Mues and Dr. Bodo E. Knudsen, Ohio State University Medical Center

The holmium:YAG laser is widely used in urologic surgery. The solid-state laser is available in variable power configurations from 10 to 100 W and is released in a pulsed-mode system, allowing high-energy delivery to tissue while limiting the amount of surrounding thermal damage. The laser operates at a characteristic wavelength of 2140 nm with pulse duration of 350 μs, which accounts for specific tissue interactions. The precise cutting, ablation and tissue coagulation properties are beneficial for treatment of urinary calculi and soft-tissue lesions. At this wavelength, light...Read full article

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    Published: July 2007
    Glossary
    solid-state laser
    A solid-state laser is a type of laser that uses a solid gain medium (as opposed to a liquid or gas) to produce coherent light. The term "solid-state" refers to the fact that the active medium, where the lasing action occurs, is a solid material. This material is typically a crystalline or glass-like substance doped with specific ions or atoms that can undergo stimulated emission to generate laser light. The basic components of a solid-state laser include: Gain medium: This is the solid...
    BiophotonicsFeaturesHolmium:YAG laserindustrialpulsed-mode systemsolid-state laser

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