Laser-like radiation with a very large spectral coverage is obtained with a comb-like spectrum by concatenating nonlinear processes. Such a light source is extremely useful for detecting molecular trace gases.

中文翻译：

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超大带宽激光器

通过串联非线性过程，可得到类似梳状光谱的，光谱覆盖范围非常大的类激光辐射。这种光源对于检测分子痕量气体非常有用。