| 1. | Natural environment in shandong province in the neolithic age 山东新石器时代的自然环镜 |
| 2. | The system principle is introduced and analyzed in this dissertation 4 .对高双折射光纤sagnac环镜的理论进行了分析。 |
| 3. | Guide for protection of machine tools intended for use in extreme environmental conditions 专用于极限环镜条件的机床保护指南 |
| 4. | The system is designed as an all - fiber system , using the chirp grating as the frequency - selective element 实验测得环镜的温度灵敏度系数为0 . 92nm / 。 |
| 5. | Optical pulse compression using a nonlinear optical loop mirror constructed from step - decreasing - dispersion fiber 基于阶梯色散渐减光纤环镜的光脉冲压缩方法 |
| 6. | 2 . a multi - wavelength erbium - doped fiber laser based on fiber polarizer and hi - bi fiber loop mirror is put forward for the first time 2 .首次提出基于光纤起偏器和双折射光纤环镜的多波长掺铒光纤激光器。 |
| 7. | A noise figure improved l - band edfa based on hi - bi ( high birefringence ) fiber loop mirror as ase rejecter is presented for the first time 主要工作如下: 1 .首次提出了基于双折射光纤环镜优化l - bandedfa噪声性能的方案。 |
| 8. | The average noise figure of the double - pass l - band edfa based on hi - bi fiber loop mirror is 3 . 7db lower than that of the one based on a common fiber loop mirror 基于双折射光纤环镜的l - bandedfa比用普通光纤环镜的放大器的平均噪声低3 . 7db 。 |
| 9. | On the basis of analyzing theoretically the high birefringence fiber loop mirror , temperature characteristics are studied and transduction is realized . utilizing its 3 、在对高双折射光纤环镜进行理论分析的基础上,研究了其温度特性,实现了对温度的传感。 |
| 10. | A dynamic range of over 13 . 5db of the output laser intensity has been realized by tuning the reflectivity of fiber loop mirror with polarization controller 实验中还通过调节偏振控制器改变环镜对不同波长的反射率,从而使得输出激光的功率在超过13 . 5db的动态范围内得到了控制。 |