Through calculation, the parameters of the photonic crystal filters operating at the above three wavelengths are obtained.

经过数值计算分别得出了工作于这三个波长上的光子晶体滤波器的参数。

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CW tunable co laser operating at two wavelengths is reported and the output characteristics for line composition are studied.

本文报导CW选支双波长运行的CO激光器，并对谱线组合的输出特性进行了实验研究。

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This paper presents a simple experimental scheme of pulsed dye-laser operating at two wavelengths.

本文介绍了一个运转在双波长的脉冲可调谐染料激光器的简便实验方案。

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It will still need, though, the support of other specialist observatories, operating at a range of different wavelengths, to study these far-distant locations in detail and make sense of them.

BBC: NEWS | Science/Nature | Telescope looks to go to the edge