| 1. | Cladding mode stripper
包层模清除剂 |
| 2. | Cladding mode ' s characteristic and its affects on transmission spectrum of long period fiber gratings
长周期光纤光栅中纤芯导模与包层模耦合分析 |
| 3. | In chapter 3 , fiber bragg grating fabricated with cladding mode suppression fiber is studied
第三章研究用包层模抑制光纤制作的光纤布拉格光栅。 |
| 4. | The coupling is between forward - propagating core fundamental modes and forward - propagating cladding modes
其耦合机理是前向传输的纤芯基模与前向传输的各阶包层模式之间的耦合。 |
| 5. | Effects of the eh cladding modes and cross coupling of cladding modes on the spectral characteristics of long - period fiber gratings
包层模及互耦合对长周期光纤光栅谱特性的影响 |
| 6. | First , we use a simple three - layer - model to gain the expressions of the electric field of cladding mode and its dispersion equation , at the same time , we present the expressions of the electric field of the core mode and its dispersion equation
因为要考虑包层模，所以首先用光纤的三层模型得到包层模的场分布和色散方程，同时也给出单模光纤纤芯基模的场分布和色散方程。 |
| 7. | Splicing between single - mode fiber and pcf are theoretically and experimentally investigated . the fiber bragg grating is written in grapefruit pcf . the multi - wavelength resonances are observed in the grating , and theoretical analysis shows that this phenomenon is caused by the resonances between core modes and cladding modes
建立了光子晶体光纤和普通光纤的熔接方法,在柚子形光子晶体光纤上写制了布拉格光栅,观察到多波长谐振现象,理论分析表明这是由于纤芯基模和包层模之间的谐振造成的。 |
| 8. | Before plastic optical fiber widespread application , each kind of plastic optical fiber coupler must be used surely , at present the important method to manufacture the plastic optical fiber coupler is fused elongated taper . if adopt this kind of method , the conversion efficiency between the core modes and the cladding modes is low . one of the methods to solve that is
在塑料光纤广泛应用之前必然运用到各种塑料光纤耦合器,目前熔融拉锥法是制备塑料光纤耦合器的重要方法,然而此种方法存在纤芯模与包层模的转换效率比较低的问题,解决这问题的一种方法是对塑料光纤进行热预拉锥。 |
| 9. | By improving the conventional electric - arc fusion method , we have realized the splicing between two kinds of mofs and smf with relatively low splice losses . we have written fiber bragg gratings in grapefruit mof successfully . the multi - wavelength resonances are observed in the grating , and theoretical analysis shows that this phenomenon is caused by the resonances between core modes and cladding modes
在此基础上对微结构光纤光栅进行了理论和实验研究,在柚子型光敏微结构光纤上成功写制了布拉格光栅,观察到多波长的反射峰,并利用全矢量有限元方法对微结构光纤布拉格光栅中的多波长谐振现象进行了理论分析,最后在实验上对其在多参量传感和多波长光纤激光器件中的应用进行了尝试。 |
| 10. | Therefore , fiber gratings have numerous applications in almost all the realms of optical fiber , especially in wavelength - division multiplexing ( wdm ) all - optical networks . this dissertation presents a detailed study of the following three types of fiber gratings : fiber bragg grating fabricated with cladding mode suppression fiber , linearly chirped moir fiber grating , and long - period fiber grating with rectangular index modulation
本文以目前在wdm全光网中有良好应用前景的三种类型的光纤光栅（用包层模抑制光纤制作的光纤布拉格光栅、线性啁啾moir光纤光栅、矩形折射率调制型长周期光纤光栅）的理论和设计为研究内容。 |
