窄线宽
A narrow linewidth single polarized all fiber ring laser has been fabricated. The structure and the technical parameters are presented.
研制出一种新颖的窄线宽、单偏振输出全光纤环形激光器,并给出了这种激光器的结构和技术性能参数。
A high power, narrow linewidth single frequency laser diode as one of the key elements of Integrated Optical Rotation Sensor (IORS) is stu***d.
对谐振式集成光学角速率传感器IORS的关键器件之一——大功率、窄线宽光源进行了分析与实验。
Experimental results show that the tunable EDFL has the advantages of wide bandwidth, high power, narrow linewidth and compatibility to fiber element.
结果表明:可调谐掺铒光纤激光器具有可用带宽较宽、功率高、线宽窄、与光纤元件天然兼容等优点。
The firm is responding to increased demand for its narrow linewidth tuneable lasers for coherent DWDM systems used in high speed 40 and 100 Gbps coherent systems.
[据化合物半导体网站2011年11月25日报道]NeoPhotonics公司正提高其用于相干DWDM系统的可调谐窄线宽激光器的生产量,这些激光器用在传输速度高达40Gbps和100Gbps的相干系统中。
The system is based on Michelson interferometer. It USES a fiber laser with narrow linewidth as light source, and adopts homodyne demodulation with phase generated carrier scheme to restore signal.
该系统基于迈克尔逊干涉仪结构,以窄线宽光纤激光器为光源,采用相位载波零差解调方案实现信号的还原。
在光学与激光技术领域,"narrow linewidth"(窄线宽)指激光光源发射的光谱线宽极窄的特性。这种特性表现为激光频率的高度稳定性,其数值通常用赫兹(Hz)或波长单位(如纳米)表示,数学表达式为:
$$
Delta u = frac{c}{lambda} Delta lambda
$$
其中$Delta u$为频率线宽,$Delta lambda$为波长线宽,$c$为光速,$lambda$为中心波长。
核心应用方向:
该特性主要通过外腔反馈、相位噪声抑制等技术实现,相关参数优化可参考IEEE光子学协会发布的《窄线宽激光器设计指南》[来源:IEEE Xplore]。
"narrow linewidth" 是一个多学科术语,主要指在光谱或信号分析中,某个特征峰(如激光频率、原子跃迁谱线等)的宽度非常小。其核心概念和意义可通过以下角度理解:
若需具体技术参数或最新研究进展,建议查阅光学工程或激光物理领域的专业文献。
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