1) π phase-shifted fiber
π相移光纤
1.
Design of double-π phase-shifted fiber Bragg gratings
双π相移光纤光栅的设计
2) π/4 phase-shift
π/4相移
3) π phase shift
π相移
1.
A phase-shifted chirped fiber Bragg grating with two π phase shifts was studied theoretically and experimentally.
理论研究并实验验证了一种含有两段π相移的啁啾相移光纤光栅。
4) phase-shifted fiber grating
相移光纤光栅
1.
By using a phase-shifted fiber grating instead of an uniform grating and an expensive circular as narrow-band filter, and a Mach-Zenhder fiber filter as wide-band filter, and integrating the effect of saturable absorber of the unpumped doped fiber, a single-frequency Yb 3+ -doped fiber ring laser operated at 1053 nm is obtained.
报道了采用相移光纤光栅代替均匀光纤光栅和昂贵的环形器作为窄带带通滤波器 ,用Mach Zehnder光纤滤波器作宽带带通滤波器 ,同时利用光纤的可饱和吸收效应 ,用全光纤环形腔得到了 10 5 3nm的单频输出激光器。
2.
Based on the transfer matrix method, the reflective spectrum characteristics of the phase-shifted fiber grating are analyzed by detailed theoretic.
应用传输矩阵法对相移光纤光栅(FBG)的反射光谱特性作了详细的理论分析,给出了相应的数学模型,并进行了验证。
5) phase-shifted fiber Bragg grating
相移光纤光栅
1.
The characteristics of phase-shifted fiber Bragg grating are analyzed by use of transfer matrix formulation and the theoretical expression of reflectivity is p resented.
利用传输矩阵法分析了相移光纤光栅的特性,导出了反射率理论表达式,并讨论了光栅反射谱中透射峰与相移量、相移区位置以及光栅的参数的变化关系。
2.
In this thesis the uniform titled fiber Bragg grating and the phase-shifted fiber Bragg grating were study with special attention, some useful results were obtaine.
本文重点研究了均匀倾斜光纤Bragg光栅和相移光纤光栅这两种特种光纤光栅,在数值模拟分析和实验制作两方面取得了一定的研究成果。
6) phase shifted fiber Bragg grating
移相光纤光栅
1.
Characteristics of phase shifted fiber Bragg gratings are analyzed by coupled mode theory.
从耦合模理论出发分析了光致折变移相光纤光栅的基本特性，报道了采用紫外辐照制备移相光纤光栅的实验结果。
补充资料：π, π-conjugation
分子式：
CAS号：
性质：单键和双键相互交替排列的共轭体系。最简单的为1,3-丁二烯，而苯分子则是一个具有高度对称结构的闭合共轭体系。除碳碳双键外，碳碳叁键、碳氧双键等，都可组成π,π-共轭。例如：CH2＝CH—C≡CH；CH2＝CH—CH＝O。由π,π-共轭引起的使分子内能降低、键长发生平均化等电子效应，称为π,π-共轭效应。
CAS号：
性质：单键和双键相互交替排列的共轭体系。最简单的为1,3-丁二烯，而苯分子则是一个具有高度对称结构的闭合共轭体系。除碳碳双键外，碳碳叁键、碳氧双键等，都可组成π,π-共轭。例如：CH2＝CH—C≡CH；CH2＝CH—CH＝O。由π,π-共轭引起的使分子内能降低、键长发生平均化等电子效应，称为π,π-共轭效应。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条