The above results are verified by the measurement of a cavity wavemeter of the absorption type working on 3-cm wavelength.

最后通过对三厘米波段吸收式空腔波长计的测量，验证了上述计算公式的正确性。

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This paper presents the working principle, construction and features of a dual-wavelength fiber-optic temperature measuring system.

本文系统地介绍了一种双波长光纤测温仪的原理、结构及特点。

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Dr Lin is already testing a waveguide designed to steer light with a wavelength of 1.5 microns, and he is also working on three-dimensional waveguides made of silicon, which will provide almost total control over the path the light takes, and make really complex optical circuits possible.

ECONOMIST: New-age crystals