In the case of Dr Sweeney's fibre laser, the beam will have a wavelength of 1.5 microns, making it part of the infra-red spectrum.
以斯威尼(Sweeney)博士研发的光纤激光器为例，它产生的激光波束波长为1.5微米，这使其成为红外线光谱的一部分。
The Baichuan Dalian filter media products are made from many different types of synthetic fibres and each fibre has its own spectrum of characteristics.
大连百川滤料产品由多种合成纤维制成，每种纤维都具有自己的独特性能。
The precise size filter is deposited with the mask method successfully, the spectrum characteristic is tested through utilizing the optical fibre spectrometer.
通过采用光学掩膜的方法成功制备了符合设计尺寸要求的可见光滤光片，并利用光纤光谱仪测试了滤光片的光谱特性。
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