In particular , erbium - doped superfluorescent fiber sources ( edsfs ) have been considered to be the optimum candidate for use in fiber optic gyros ( fog ) 在高精度的光纤陀螺( fog )中,掺铒光纤光源即掺铒光纤超荧光光纤光源( edsfs )成为最有潜力的候选者。
The dissertation can be divided into two parts : the control , synchronization of drefls and its application ; optical spatiotemporal pattern in a ring optic cavity 全文分为两大部分：掺铒光纤激光器的混沌超混沌的控制、同步及其应用，二能级介质的光学时空斑图。
The main task of this paper is to study the structure and optical characteristics of edwa , and the preparation of er ~ ( 3 + ) - doped optical wave - guide film with sol - gel technology 本文的研究工作是分析光波导放大器的结构、光学特性与掺铒光波导薄膜制备的溶胶-凝胶工艺。
In part one , firstly , the dynamic equation of the drefl is deeply investigated and the stability of its stable solution is analyzed , the condition of the threshold is determined 第一部分，首先对双环掺铒光纤激光器的动力学方程进行了深入研究，并对其稳定性进行了分析，确定了它的阈值条件。
The typical erbium - doped fiber gain spectrum is a combination of a high - intensity region and a flat part spectrum , and the power difference has limited the bandwidth of edsfs 典型的掺铒光纤增益谱线由一个谱峰和后面的谱肩组成,它们之间的功率差异造成了对光纤陀螺可应用的edsfs带宽和平坦度的限制。
The technology of wdm combined with edfa can take fully advantage of capability of fibers , being a premium method of realizing high - capacity , long - haul , high - speed communications 波分复用( wdm )和掺铒光纤放大器( edfa )的结合应用是充分挖掘光纤带宽能力，实现大容量、高速率、长距离通信的最佳手段。
The technology of wdm combined with edfa can take fully advantage of capability of fibers , being a premium method of realizing high - capacity , long - haul , high - speed communications 波分复用( wdm )和掺铒光纤放大器( edfa )的结合应用是充分挖掘光纤带宽能力，实现大容量、高速率、长距离通信的最佳手段。
The erbium doped fiber amplifier has been tested in the direct amplifier station of institute of fujian telecommunications for the first time in china . the experiment was very successful 并将研制成功的掺铒光纤放大器首次运用到合作单位福建邮电科学研究所的光纤直放机上进行线路传输实验，实验十分成功。
To be recycled , the backward ase was routed to the input of edf by an optical circulator . this method is much use for reference to enhance the gain of l - edfa in broadband link 这种利用光环形器将后向的ase再引入铒光纤的前端,重复利用ase的方法对超宽带连接中提高l -波段掺铒光纤放大器的增益也有借鉴价值。
Waveguide fabricated by the sol - gel route is also presented at last . stable and transparent boric silicate 、 er ~ ( 3 + ) - doped phosphosilicate , er ~ ( 3 + ) - doped aluminasilicate glass sol was prepared by the sol - gel route 实验中采用溶胶-凝胶工艺制备了透明、稳定的硼酸盐、掺铒的磷硅酸盐、掺铒的铝硅酸盐溶胶。
