也证明了利用超低损耗光纤远距离传感有害，有毒，易爆气体(如CH_4)的可能性。
It demonstrates that optical remote sensing of inflammable, explosive and pollution gas such as CH_4 is possible by using extremely low loss optical fiber.
半导体激光器和检测器、低损耗光纤，以及后来的光放大器的发明使得长距离传输成为现实。
The invention of semiconductor lasers and detectors, low-loss optical fiber and, later, optical amplifiers, made long-distance data transport feasible.
本文报导了一种新型低损耗单模光纤的光学耦合器。叙述了应用光线矩阵法和梯度光学理论的设计方法。
The paper reports a novel low loss single mode fiber optic coupler and describes the design procedures employing light matrix method and gradient optics theory.
制得低损耗、高纯度的塑料光纤是目前国内外共同的目标。
To produce highly pure POF with low losses is an international issue.
该设计以光子晶体光纤为基础，采用直接耦合的方法实现低损耗的光纤旋转连接。
Low loss connection of fiber optic rotary is realized by direct coupling of fiber, which is photon crystal fiber (PCF).
此光纤经紫外辐照后吸收峰处损耗明显增加，而低损耗区损耗几乎不变。
After ultraviolet irradiation, the fiber attenuation increases obviously at several absorption peaks, whereas the value in low absorption region remains almost no change.
通过分析光纤熔接损耗产生的原因，得出可以调整熔接参数来改善模场失配，实现不同类型光纤的低损耗熔接。
Then the mode distributions at the fiber tips and the corresponding splice loss between the two fibers were calculated, and the fusion power range for low splice loss was thus deduced.
然而，可以理解的是用于光纤中断检测的方法和装置可以利用标准的和低损耗的光纤段。
However, it is understood that methods and apparatus for fiber break detection can be used with standard and low-loss optical fiber spans.
然而，可以理解的是用于光纤中断检测的方法和装置可以利用标准的和低损耗的光纤段。
However, it is understood that methods and apparatus for fiber break detection can be used with standard and low-loss optical fiber spans.
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