| 1. | Side mode suppression ratio
边模抑制比 |
| 2. | 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。 |
| 3. | Theoretical analyses of the reverse mode suppression using diaphragm for symmetric confocal unstable ring resonator
采用腔内设置限孔光阑抑制倒向波的理论分析 |
| 4. | The side mode suppression ratio about 39db is realized . 5 . a tunable cladding - pumped yb3 + - doped fiber laser system is reported
55 m可调谐光纤光栅外腔半导体激光器，得到调谐范围为7nm 、边模抑制比达39db的激光输出。 |
| 5. | ( 3 ) with the increase of the injected current , the lasing wavelength of fgesl appears fluctuation , the side mode suppression ratio ( smsr ) increases accompanied by an oscillation , and the p - i curve distorts slightly
Fgesl的激射波长随ld的注入电流的增大而发生波动;边模抑制比( smsr )随注入电流的增大总体上呈现上升趋势，但其变化过程并不平滑而是有较大的波动; fgesl的p一i曲线有微小的扭曲。 |
| 6. | As a result , a theoretical model of fiber grating external cavity semiconductor lasers including the reflectivity distribution of fiber grating has been presented in this paper . based on the model , the laser characteristics such as the threshold current , mode suppression ratio etc . have been specified
利用该模型对光纤光栅外腔半导体激光器的阈值电流、模式抑制比等进行了研究，得到了一些新的结论，并对此结论作出了合理的解释。 |
| 7. | 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。 |
