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.
岩芯及透射光显微镜观察发现,这是一种水力破裂体系中流体和岩石作用的产物—水压碎屑岩。
Observing the core with under microscope, the authors find the breccia as a kind of hydra-fracturing clastic rock forming the model of roklyfluidal dynamical.
然后对端泵入射光进行建模,研究了纤芯偏心距的优化。
Then, we study the optimization of the offset of the fiber core by simulation of the pumped light.
液芯光纤长光路系统主要由聚光系统和液芯光纤长光路吸收管组成。
Liquid core optical fiber long light path absorption system consists of the light gathering system and liquid core optical fiber long light path absorbing tube.
具体介绍了光缆波长、段长、光纤芯数、光纤类别如何确定与光设备如何选择,以指导乡镇网络建设。
How to determine the its type and check its equipment are also introduced in order to direct the net construction in country.
本文应用国产的小芯径高非线性光子晶体光纤基于受激布里渊散射实现了大延迟的慢光。
This paper reports that we realize large delay slow light using our fabricated small core high nonlinear photonic crystal fiber (PCF) based on the stimulated Brillouin scattering.
设计了芯间距较小的特殊结构四芯光纤,可用于生成格子光场或用于制作光纤传感器。
A special four-core fiber has been designed and demonstrated, in which the internal distance between the neighbor cores is smaller.
分析了应用于太阳能传输领域的空芯塑料光纤的传光机理,介绍了其制作方法。
The manufacture technology and light transmitting principle of hollow plastic fibers are introduced in this paper.
我们还包裹光传送竹板形成一个灯箱,它变成一盏灯,活泼的重点对象以前重芯柱混凝土砌块。
We also wrapped the core column with light-transmitting bamboo boards to form a light-box, which transforms the previously heavy concrete block into a light and lively focus object.
本机主要适用于多层光边织物的织造,特别适用于织造4层6 - 8级煤矿井下及码头阻燃输送带整体带芯。
This machine is mainly applicable to weave multi-layer true selvedge fabrics, especially to weave 4 layers grade 6-8 integral core for fire retardant conveyor used in the coal mine or at the wharf.
这种光纤的纤芯折射率比包层基质折射率小,所以短波长时基模损耗迅速增大,使得光传输截止。
The index of the core is a little smaller than that of the cladding base material, so the fundamental mode loss of short wavelength increases rapidly and leads to the mode cutoff.
关于人类和核辐射的真相在于:你没有理由去担心核电站的堆芯熔毁或机场的扫描仪,机场的X光扫描仪现在已经被毫米波扫描仪所取代了。
Here's the truth about you and radiation: There's no reason to worry about power-plant meltdowns or airport scanners, where the X-rays have been replaced by millimeter wave machines.
锦棉弹力闪光交织物经向为锦纶有光丝,纬向为棉氨纶包芯纱。
The nylon-cotton elastic and sparkling fabric is composed of nylon lustrous filament as warp yarn and cotton-polyurethane core-spun yarn as weft yarn.
本机适用于多层光边织物织造,用于透气层(带)织物生产,并可适用于整芯带织造。
This machine is used for weaving multi-layers true selvage fabrics, such as air slide belt and whole core belting etc.
本文介绍了烟盒式和无芯电池式两种被动式热释光氡累积探测器,可用于室内及矿井空气中氡的监测。
This paper presents two passive thermoluminescence radon accumulating detectors. These detectors are suitable for monitoring air radon concentration indoors, outdoors and in Wells of mines.
利用纤芯和包层中的折射率分布实现光传输控制等先进技术被认为是第三代显微学中的激光技术。
The third generation techniques such as light propagation control achieved by refractive index distribution in core and clad are promising.
目的: 评价纤维光导可塑芯硬喉镜在困难气管插管患者的临床应用。
To assess the clinical use of fiberoptic rigid style laryngoscope in the patients with difficult intubation.
结论:熟练的操作技术和满意的麻醉效果是保证应用纤维光导可塑芯硬喉镜顺利完成气管插管操作的关键。
Conclusions: The skilled technique and adequente anesthetic effect are key factors to assure successful manipulation of intubation by fiberoptic rigid style laryngoscope.
所述波导采用的形式最好是具有包含光子带隙结构的包层而 该结构又包住传导光的空芯部分的光纤。
The waveguide is preferably in the form of an optical fiber having a cladding that contains a photonic band gap structure which in turn envelopes a light conducting, hollow core portion.
使用时无需进行光纤导光针与置留针针芯的互换,可避免因操作不熟练造成的血液外流。
The interchange of the optical fiber guide light needle and the needle core of a retainable needle are not needed when in use, and the blood efflux because of inexperienced operation can be avoided.
采用折射率高的薄波片作为芯层材料、折射率低的透明硅橡胶作为包层材料,利用软刻印方法将信息复制在硅橡胶表面,制作出10层光卡。
The WMOC ROM a low-index and transparent silicon rubber as the cladding layer material, and takes the advantage of soft lithography method to copy information to its surface at the same time.
采用折射率高的薄波片作为芯层材料、折射率低的透明硅橡胶作为包层材料,利用软刻印方法将信息复制在硅橡胶表面,制作出10层光卡。
The WMOC ROM a low-index and transparent silicon rubber as the cladding layer material, and takes the advantage of soft lithography method to copy information to its surface at the same time.
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