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Enhanced excess noise in laser cavities with tilted mirrors

机译:倾斜镜提高了激光腔中的多余噪声

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摘要

Enhancement of the transverse excess-noise factor is theoretically predicted in optical laser cavities with tilted end mirrors and nonuniform transverse loss. In particular, it is shown that in a loss-guided laser close to the plane-plane geometric instability boundary the excess-noise factor that is induced by mirror tilting may largely exceed that predicted for the aligned cavity. This excess noise is related to beam walk-off induced by mirror tilting, which makes possible transient amplification of noise in the transverse plane.
机译:理论上,在带有倾斜端镜和不均匀横向损耗的光学激光腔中,可以预测横向多余噪声因子的增强。特别地,示出了在接近平面几何不稳定性边界的损耗引导激光器中,由镜倾斜引起的过量噪声因子可能大大超过针对对准腔的预测的噪声因子。这种多余的噪声与反射镜倾斜引起的光束偏离有关,这可能会在横向平面内瞬时放大噪声。

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