| 1. | Fbg is sensitive to temperature and stresses . its central wavelength will shift with the changes of environment temperature and stresses 光纤光栅对于温度和应力都是敏感的,它的中心波长会随环境温度和所受应力的变化而产生漂移。 |
| 2. | Fibre optic communication subsystem basic test procedures - test procedures for general communication subsystems - central wavelength and spectral width measurement 光纤通信分系统基本试验程序.普通通信分系统试验程序.中心波长和光谱宽度测量 |
| 3. | Fibre optic communication subsystem basic test procedures . part 1 - 3 : test procedures for general communication subsystems . central wavelength and spectral width measurement 光纤通信子系统基本试验程序.第1 - 3部分:一般通信子系统的试验程序.中心波长和谱宽的测量 |
| 4. | Fibre optic communication subsystem basic test procedures - part 1 - 3 : test procedures for general communication subsystems - central wavelength and spectral width measurement 光纤通信分系统基本试验程序.第1 - 3部分:一般通信分系统的试验程序.中心波长和光谱宽度的测量 |
| 5. | The calculating formulas of central wavelength drift based on thin film microstructure and thermal - stress deformation are deduced , the drift of dwdm filter 15 calculated with these formulas 论文还讨论了波分复用滤光片的温度稳定性问题。推导了薄膜微观结构和热应力形变模型上的中心波长漂移计算公式。 |
| 6. | The central wavelength of 808nm , fwhm of 2 . 2nm and e - o efficiency of 45 % are achieved . most of the experimental results about high - average - power diode laser package have not been reported in previously published paper in this field 利用该冷却器实验封装出连续输出1kw的二维阵列二极管激光器,激光中心波长808nm ,谱线宽度2nm ,电光效率达45 。 |
| 7. | The epitaxial struture for ld is an ingaas / gaas / algaas ssqw grin sch structure and the width of the array bar ia 4mm . the low theshold current 2 . 9a the output power 20w at 17 . 5a have been achieved by sioi isolation , ohmic contact and facet coating processes . the central wavelength is 979nm . at the same time , model analyses on the structure of the ssqw ld and the fabrication processes have been made for further research 激光器的生长结构采用ingaas / gaas / algaas分别限制应变单量阱线性缓变折射率波导结构,列阵条宽为4mm ,通过sio _ 2掩膜,欧姆接触和腔面镀膜等工艺,实现了阈值电流为2 . 9a ,驱动电流为17 . 5a时输出功率为20w 。 |
| 8. | The tbc algorithm simulates that wave near the boundaries is plane wave , and its amplitude and direction are decided by trial and error . in this thesis , the operation principle of an awg is introduced and the structure parameters of 8x8 awg with its central wavelength 1550 . 12 / 7 / n and channel spacing 3 . 2nm are designed by discussing the crosstalk to neighboring waveguide , the insertion losses and losses equal , etc . this thesis employs the waveguide theories to analyze the slab waveguide and the arrayed waveguide , and offers the distributions of stable optical fields 本文旨在设计一个中心波长为1550 . 12nm 、波长间隔为3 . 2nm的8 8awg波分复用器,通过综合考虑相邻波导间的最大串扰、插入损耗、通带宽度以及各通道损耗均匀等指标来设计、优化awg的各个结构参数,如输入、输出波导和波导阵列中相邻波导的间隔,平板波导的聚焦长度,波导阵列中相邻波导的长度差等。 |
| 9. | The analysis in this paper demonstrates the power of the transfer matrix method , which can get the features of aperiode fiber grating fastly , referent the papers [ 1 - 2 ] ( published ) . 3 ) in terms of the theoretical mode of mfc , the effect of mfc parameters on its features - chirped moire fiber grating and moire fiber grating formed by two uniform fiber grating with different central wavelengths , is discussed individually . by comparison between the two kinds of mfc , chirped moire fiber grating is better for owdm , referent the paper [ 3 ] ( to be published ) 3 )从摩尔光纤光栅的理论模型出发,分别讨论啁啾摩尔光纤光栅和由两中心波长不同的均匀光栅构成的摩尔光纤光栅的各参数对其特性的影响,对比这两种摩尔光纤光栅的特性,发现啁啾摩尔光纤光栅更适合光波分复用系统的要求,参考待发论文[ 3 ] 。 |