Anisotropic laser gain media

In anisotropic laser gain media, the ability of radiation is devided depending on their crystal axes. Thus, anisotropic laser media can perform large emission/absorption cross section, high extinction ratio. Large absorption corss section is necessary for microchip laser scheme, and large emission cross section contribute efficient oscillation in direct pumping scheme due to reduced laser threshold. In future, anisotropic laser gain media is expected to be applied to gain media of the laser fusion driver.

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