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 beam itself will be produced by a device called a fibre laser.
激光波束本身将由光纤激光设备产生并在一个细长的光纤核心产生激光束的相干光。
Moreover, engineers have worked out how to make laser beams more intense by using short lengths of optical fibre to narrow the beam.
此外，工程师们还通过光纤的短长缩小了传送的光束，由此找到了让激光传送器能源更加密集的方法。
When laser light is bounced off the fibre, the reflected light is modulated in accordance with the electrical signals.
当激光从纤维上弹回后，反射的光会随着电子信号的改变而改变。
The laser light is delivered along a fibre optic cable to a laser head with a focal length of 120 mm.
激光光传递沿光纤电缆连接到激光头的和120毫米焦距。
Direct current modulated lasers are of huge commercial relevance and are already widely used in optical communications, telecommunications and sensor and high power fibre laser systems.
直流调制激光器有广阔的商业应用前景，并且已经广泛应用电信、远程通讯、传感器和高功率光纤激光系统。
The emphases are laser ablation principle and status quoin fabrication of nano-particle, nano-fibre, nano-thin film.
其中重点介绍了激光消融法制备纳米颗粒、纳米纤维、纳米薄膜的原理和现状。
Condition for single mode operation of DBR fibre laser is given based on rate equations theory. We apply it to the design by analyzing characteristics of grating reflectivity and some approximation.
基于速率方程理论，给出d BR光纤激光器单模运转的条件，并通过对光栅反射特性的分析及一些近似处理，进行了具体设计。
Now the depolarizers are used extensively in many photoelectric measuring instrument, such as astronomical instrument, laser processing, laser medicine, optical fibre communication.
现在退偏器已经广泛应用于天文学仪器、激光加工、激光医学、光纤通讯等的光电测量仪器中。
The present invention relates to a method for raising output power of fibre-optic laser and quality of its optical spectrum and beam, belonging to the field of laser and optoelectronics.
一种提高光纤激光器的输出功率、光谱和光束质量的方法，属于激光及光电子学领域。
The present invention relates to a method for raising output power of fibre-optic laser and quality of its optical spectrum and beam, belonging to the field of laser and optoelectronics.
一种提高光纤激光器的输出功率、光谱和光束质量的方法，属于激光及光电子学领域。
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