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Line width measurement of a capillary discharge soft X-ray laser

机译:毛细管放电软X射线激光器的线宽测量

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We measured the linewidth of a λ= 46.9 nm neon-like argon capillary discharge soft x-ray laser. A wavefront division interferometer based on a pair of dihedrons was used to resolve the laser line measuring the variation in the interference fringe visibility for different optical path differences. We measured a relative linewidths of △λ/λ = 3-4 10~(-5). No significant re-broadening was observed when the length of the laser medium was increased beyond the saturation length due to effects that homogenizes the line profile.
机译:我们测量了λ= 46.9 nm的氖状氩毛细管放电软X射线激光的线宽。使用基于一对双面体的波前分割干涉仪来解析激光线,以测量不同光程差下干涉条纹可见度的变化。我们测得的相对线宽为△λ/λ= 3-4 10〜(-5)。当激光介质的长度增加到超过饱和长度时,由于使线轮廓均匀化的效果,没有观察到明显的重新宽化。

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