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首页> 外文期刊>Applied optics >Tunable single frequency thulium:YAG microchip laser with external feedback
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Tunable single frequency thulium:YAG microchip laser with external feedback

机译：可调谐单频th：具有外部反馈的YAG微芯片激光器

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摘要

By use of the reflection of an uncoated external etalon, a diode-pumped thulium-doped YAG microchip laser was forced into a single-frequency mode. The wavelenth of the single-frequency radiation was tunable over 15 nm simply by translation of the etalon relative to the laser. Output powers of 45 mW were achieved in a monolithic setup that is insensitive to vibrations. The origin of the single-frequency oscillation is the wavelength-dependent reflection of the etalon, which is coupled back into the laser resonator. This method permits the combination of inherently stable, single-frequency resonator geometries such as microchips with laser materials that have broad tuning ranges.
机译：通过使用未涂覆的外部标准具的反射，将二极管泵浦掺th的YAG微芯片激光器强制为单频模式。只需通过标准具相对于激光的平移，就可以在15 nm范围内调节单频辐射的波长。在对振动不敏感的单片设置中实现了45 mW的输出功率。单频振荡的根源是标准具的波长相关反射，该标准具被耦合回到激光谐振器中。这种方法允许将固有稳定的单频谐振器几何形状（例如微芯片）与具有宽调谐范围的激光材料相结合。

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