由于光纤的损耗大，考虑到探测器的灵敏度限制，不宜作长距离传输。
Transmission by ultraviolet fiber is not suitable for long distance considering the great losses and the sensitivity limited of detector.
配合料中引入适量NH_4HF_2，选用温度结构合理的拉丝炉及拉丝工艺也有助于降低光纤的损耗。
Moreover, the NH4HF2 content in the batch, the temperature distribution in the fiber-drawing furnace, and fiber drawing technology also have influence on the scattering loss of the fiber.
自从半导体激光器性能取得重大突破和光纤的损耗得到极大降低之后，光纤通信已进入实用化商业化时代。
Since the semiconductor laser performance obtains a significant breakthrough and the fiber loss decreased enormously, the optical fiber communication entered the practical commercialization times.
从应用于高速数据通信的角度，介绍了聚甲基丙烯酸甲酯（PMMA）、全氘化和全氟化梯度塑料光纤的损耗、带宽、稳定性和寿命。
The polymethylmethacrylate (PMMA) base, perdeuterated PMMA base and perfluorinated (PF) polymer base GI POFs are considered for the application of high speed data communications.
光在光纤中损耗不是光纤制造技艺的责任，而是光纤的成分——玻璃纯度不够。
It was not the manufacturing of the fiber that was at fault, but rather that the ingredient for the fiber - the glass - was not pure enough.
但是在那个时候，光脉冲在玻璃光纤中只能穿行20米，99%的光都被损耗了。
But at that time, the light pulses could travel only about 20 meters through the glass fibers before 99 percent of the light had dissipated.
考虑到光纤出射光束的发散，在有效反射率中引入了损耗因子，讨论了它的基本工作原理。
Its principle is discussed, taking the divergent optical beam emitted from the fiber into consideration, which causes a loss factor for the effective reflectance.
着重分析了影响光纤传输能量以及光纤传输中造成能量损耗的因素。
The influence factors of energy transmission and energy loss in optical fiber are analysed.
从理论上讲，弯曲和形变都会增大光纤的传输损耗。
Theoretically bend and deformation increase transmission losses in the fiber.
对空心光纤的结构特点做了细致的分析，采用迅衰波场的概念来解释空心光纤纤芯与空心处的传光损耗。
The paper illustrates the characteristics of hollow optical fiber in detail and uses the concept of evanescent wave to explain the beam transmission in interface of hollow and core.
连接精度的好坏直接影响光纤连接器连接损耗。
The connection precision directly influences the connection loss between tow fiber connectors.
计算了聚光器的性能参数和光纤传输损耗。
The condenser performance parameters and the optical fiber transmission loss are computed.
研究表明，拉曼放大能够补偿光纤损耗，但不改变孤子脉冲的时域波形，对孤子脉冲的啁啾影响不大。
Raman amplification can compensate the fiber loss, does not change the temporal waveform and has little influence on the linear chirp of the soliton.
针对造成光纤熔接损耗的各种本征和非本征因素，进行了详细的分析和总结。
The intrinsic and extrinsic causes of splice loss for optical fiber are analyzed and summarized in detail.
推出了存在光纤损耗时交叉相位调制效应所产生的啁啾的解析表达式。
Considering the fiber loss, an analytic expression of the cross phase modulation induced chirp is derived.
本文描述了一套用以测量单晶光纤损耗谱的装置。
A set for measuring single crystal fiber (SCF) loss spectra is described.
本文主要分析在光缆实际接续中引起光纤接头损耗过大的原因和处理方法，以及对整个中继段损耗的影响。
This paper mainly analyses the causes of exceeding fiber splice loss, describes the processing method for it and it's affection to relay section losses.
结合光纤环光学长度和耦合输出系数，就损耗对光纤环光谱传递函数和相干性的影响进行了分析讨论。
The influence of the optical length, the output couple coefficient of the optical fiber ring cavity upon the STF and the coherence of the loss is also analyzed.
并分析了光纤环光学长度、耦合输出系数、损耗对光纤环光谱传递函数的作用。
The effects of the optical length, the output couple coefficient, and the loss on the STF of optic fiber ring are analyzed.
对光纤通信系统中的受激布里渊散射(SBS)以及声子损耗对SBS的影响进行了研究。
The stimulated Brillouin scattering (SBS) and the effect of phonon loss in SBS in optical fiber communication systems are investigated.
在本论文中，首先根据光纤的弯曲损耗原理监测岩层的变形。
In this paper, with bending loss of optical fiber, deformation of rock layer can be monitored.
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).
同时也显示出，该结果的背离不仅仅是线性损耗系数的简单叠加，特别是在长久光纤系统中存在同轴信号放大器的情况下。
It has also been shown that this deviation is more than just addition of linear loss coefficient especially when long haul fiber optic systems with inline amplifiers are considered.
本文首先分析了新型光纤环敏感元件的敏感机理，给出其微弯光损耗的理论模型；
This paper analyses the mechanism and gives the theoretical model of the micro bend loss in the optic fiber sensing ring.
本文从计量检定角度提出一种光纤损耗测试仪的校准方法。
A calibration method for optical fiber loss testing instrument has been put forward for the metrological verification.
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.
研究了光纤拉丝和使用过程中，影响光纤损耗的几个重要因素。
The important factors to affect fiber loss during fiber drawing and application are discussed.
利用检测单模双折射光纤弯曲传输损耗装置测绘了光纤的弯曲损耗图及光纤弯曲传输模式图。
Using the instrument for the transmission loss of single mode of winding birefringence optical fiber, the spectrogram of loss and the graph of mode density are obtained.
通过对PM MA塑料光纤中的主要损耗因素C -H谐波吸收进行了理论分析，并进行了定量计算，结果与实际测量数据一致。
Absorption loss due to high harmonics of C-H vibrations, the primary loss factor in PMMA POF, was analyzed and calculated. And the results were consistent with measured datas.
通过对PM MA塑料光纤中的主要损耗因素C -H谐波吸收进行了理论分析，并进行了定量计算，结果与实际测量数据一致。
Absorption loss due to high harmonics of C-H vibrations, the primary loss factor in PMMA POF, was analyzed and calculated. And the results were consistent with measured datas.
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