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Space temperature stable color center laser, lif: f2 + * * material and a laser process
Space temperature stable color center laser, lif: f2 + * * material and a laser process
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机译:空间温度稳定的色心激光器,lif:f2 + * *材料和激光加工
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摘要
The present invention is directed to a tunable, solid state laser utilizing room temperature, stable, color centers of LiF:F2+** material. Also disclosed is a method of lasing. An object of the present invention is to develop and optimize LiF:F2+** thermostabilized active media, to propose a method of pumping, and to realize a room temperature, stable and efficient operation of the color center laser. These and other objects are achieved by introducing special dopants in the crystal at the stage of crystal growing; applying special regimes of ionizing treatment of the crystal, resulting in thermostabilization of the F2+ centers in LiF crystals; and utilizing alexandrite laser radiation for color center crystal pumping with a pump radiation frequency which is appropriate for the selective excitation of the F2+ color centers. The invention can be used in cases when monochromatic laser emission tunable in the visible-infrared spectral region is required for solving problems in various fields of science and technology such as laser spectroscopy, photochemistry, photobiology, medicine, and the like.
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