| 1. | Loose polymer - clad silica fiber 松套聚合物包层石英光纤 |
| 2. | Pcs plastic - clad silica fiber 塑料包层石英光纤 |
| 3. | Preparation and properties of 2d fused - silica fiber reinforced porous si3n4 - sio2 matrix composites 2基复合材料的制备及其力学性能 |
| 4. | The coupling criterion for single - mode pof and silica fiber does n ' t exist because single - mode pof has n ' t been applied widely 由于目前单模塑料光纤还没有得到广泛的应用,也不存在单模塑料光纤和单模石英光纤的耦合标准。 |
| 5. | The principle and realization of auto - coupling system for single - mode pof and silica fiber is introduced in this paper . in this system , from analyzing the feedback data of optical power and picture , two fibers can be accurately coupled 在耦合系统中,上位机控制部分利用光功率计和采集图像的反馈数据,根据一定算法对该数据进行分析,从而驱动步进电机,使两光纤达到精确耦合。 |
| 6. | However , the capabilities of single - mode pof or bragg grating of the pof should be tested in the laboratory , the coupling for single - mode pof and silica fiber is required , then the properties of single - mode pof and bragg grating of pof can be tested in the laboratory 然而在实验室中,由于要对单模塑料光纤或塑料光纤光栅进行一些性能测试,就需要单模塑料光纤和单模石英光纤的耦合。 |
| 7. | ( 6 ) the study of electroplating ni ~ co coating on silica fiber showed that a special pretreatment must be preformed before electroless nickel because of the smooth surface of silica fiber . ( 7 ) a ni - co coating was acquired by means of eletroless and electroplating ( 6 )石英光纤表面电沉积ni - co合金镀层的研究表明,石英光纤化学性质稳定,表面光滑,化学镀前必须经过特殊的预处理工艺:脱脂,粗化,敏化,活化,烤烘等。 |
| 8. | In modified fiber - optic sensing system , quantitative analysis of the interaction of the analytes with the cladding is the theoretical foundation of fiber - optic mode - filtered light chemo - and bio - sensing . in our study , we took example for the fused silica fiber that we used , to deduce a mathematical expression for mfld 在修饰光纤体系定量获取模式滤光信号的理论研究中,我们以我们所用的石英光纤为例,推导了光纤模式滤光信号的理论表达式。 |
| 9. | By formula about effective bandwidth , he get the bandwidth near 1540 nm wavelength , which is 64 . 54nm . the bandwidth is more bigger than the gain bandwidth of er - doped silica fiber and fluoride fiber amplifier ( 20nm - 30nm ) . it is useful to improve transmitted capacity of information in fiber 对1540nm处光谱有效带宽的计算,得到结果为64 . 54nm ,这个带宽已远高于目前常用掺er硅光纤和氟化物光纤放大器的20 - 30nm增益带宽,于扩大光纤信息传输容量有很大益处。 |
| 10. | As a result of the plastic optical fiber itself characteristic , the pof is used as the transmission material in short distance communication , has demonstrated the huge superiority in the recent years , thereupon the plastic optical fibre access network is an important developing direction of optical access network of future . the second chapter first to make the comparison among the copper wire , the silica fiber and the plastic optical fiber , pointed out the plastic optical fiber is better in the short distance communication , then introduced the development course of pof in the communication filed , finally proposed the plan scheme of the plastic optic fibre access network of a kind of building 塑料光纤本身的特点使得其作为短距离通信用传输媒质在近些年内已展示出巨大的优势,于是塑料光纤接入网是未来光接入网一个重要的发展方向。本论文第二章首先对主要的接入网媒质铜线、石英光纤和塑料光纤进行比较,指出塑料光纤在短距离通信方面的优势,接着介绍了塑料光纤在通信方面的发展历程,最后提出了一种楼宇塑料光纤接入网的计划方案。 |