掺铬钇铝石榴石（Cr4+：YAG）是一种性能极佳的用于钕钇铝石榴石、掺钕YLF、掺钕钒酸钇等掺铒和其他波长其波长为0.8～1.2μm的掺钕或掺镱激光器的被动调Q开关的晶体。通过被动调Q开关或饱和吸收体在无需电光开关的情况下得到充足的激光脉冲。因此减小了尺寸，排除了提供高压能量的需要。它将将在被动调Q开关领域取代常用的LiF和染料而成为是1um掺Nd激光器的理想选择。
Chrome-doped yttrium aluminum garnet (Cr4:YAG)is an excellent performance for yttrium aluminum garnet, ytterbium-doped YLF,yttrium-doped yttrium vanadate and other erbium-doped or erbium-doped lasers with a wavelength of 0.8 to 1.2 pm.The passive Q-switched crystal. A passive Q-switch or a saturable absorber provides sufficient laser pulses without the need for an electro-optic switch, thus reducing the size and eliminating the need to supply high-voltage energy. It will replace the commonly used LiF and dyes in the field of passive Q-switching and is an excellent choice for 1um Nd-doped lasers.
