The researchers now plan to optimize their set-up to see how much higher than can raise the gain of their backward laser.
研究者们现在正着手着让他们设备达到最优化，来看看他们的后向激光的强度还能提高多少。
They say that their backward laser would, for example, make it much easier to scan the atmosphere for signs of methane in the case of a ruptured gas pipe.
他们说他们的后向激光可以，例如，在气体输运管道破裂的情况下使探测大气中的甲烷信号变得更容易。
As such, this "backward laser" could potentially provide measurements of pollutants and other molecules in environments that would be hard or impossible to study with conventional laser systems.
就这样，这种“后向激光”有可能提供一种对污染物质以及环境中其它分子的测量，而这种测量很难或不可能用通常的激光系统进行和研究。
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