镱原子钟甚至可能比铯原子钟更加精确和稳定。
And an ytterbium clock has the potential to be even more accurate and stable than the cesium chronometer.
双包层掺镱光纤技术使高功率光纤激光器和放大器成为可能。
The advent of double cladding fiber technology has made high power fiber lasers and amplifiers possible.
双包层掺镱光纤是制作大功率光纤激光器的关键部件,是稀土掺杂光纤中最重要的分支之一。
Ytterbium doped double clad fiber is the critical component of the fiber laser, and it is one of the most important branches of rare-earth doped fibers.
美国国家标准技术研究所的研究人员正在开发一种镱原子钟,这种原子钟可能比铯原子钟更好。目前的时间标准是由铯原子钟确定的。
National Institute of Standards and Technology researchers are developing atomic clocks based on the element ytterbium that could outclass cesium atomic clocks, which currently set the standard.
用途:用作氧化镱的原料。
对掺镱双包层光纤的吸收特性进行了研究。
Ytterbium - doped double - clad fiber absorption characteristics is studied.
对掺镱双包层光纤的吸收特性进行了研究。
Ytterbium-doped double-clad fiber absorption characteristics is studied.
对掺镱双包层脉冲光纤放大器进行实验研究。
Experiment of the double-clad Yb-doped fiber amplifiers is discussed.
镱,金属镱,镱金属。
镱原子钟甚至可能比铯原子钟更加精确和稳定。
And an ytterbium the potential to be even more accurate and stable than the cesium chronometer.
本文报告了用5709萃淋树脂色层分离铥、镱、镥的研究。
This paper presents a study of chromatographic separation technology for Thulium, Ytterbium and Lutecium by 5709 leverxtrel resin.
本文研究单级铒镱共掺光纤放大器,采用前向侧面泵浦技术。
This paper studies the single-stage Erbium-ytterbium co-doped fiber amplifier, using the forward side-pumping technology.
提出了一种新的基于磷酸盐的铒镱共掺双包层掺铒光纤放大器。
A novel double - cladding erbium - ytterbium co - doped fiber amplifier (EYCDFA) based on phosphate glass fiber is proposed.
采用磁控溅射法制备锰铜薄膜,溅射和真空蒸发法制备镱薄膜。
Thin film manganin gages and ytterbium gages were fabricated by magnetron sputtering.
镱材料具有压阻特性,其压阻系数比锰铜、碳等压阻材料要高得多。
The ytterbium material has piezoresistive effect, whose piezoresistive coefficient is higher than that of manganin or carbon.
锰铜传感器和镱传感器是用于测量冲击波产生超高压力的特种用途传感器。
Manganin gauge and ytterbium gauge are special sensors used to measure ultra-high pressure generated by shock waves.
应用FEMLAB有限元软件模拟掺镱双包层光纤放大器的脉冲放大特性。
This paper present a finite elements simulation of pulse amplification in ytterbium-doped double-clad fiber amplifier with FEMLAB package.
通过数值模拟研究了双端泵浦的高功率掺镱双包层光纤激光器的输出特性。
The output characteristics of two-end-pumped Yb 3 -doped double clad fiber lasers are studied by numerical simulation.
本文报道用激光分步激发技术测定镱的奇宇称自电离谱的实验方法及其结果。
We report here the measurment and results of the odd parity autoionizing spectra of Ybl by the laser multistep excitation technique.
用电解还原法分离镱的过程中,电极材料的选择对整个电解过程有着十分重要的影响。
The selection of electrode materials is very important to the process of electro reduction ytterbium.
目的观察应用90锶、90 镱敷贴器治疗婴幼儿颌面部血管瘤、脉管畸形的疗效。
Objective To study the effects of 90 Sr 90 Y application therapy for hemangioma and vascular malformation in oral and maxillulae region.
讨论了掺镱双包层光纤放大器输出脉冲能量随不同输入脉冲峰值功率和泵浦功率的关系。
The relations between the output pulse energy of the amplifier and the different input pulse peak power or pump power are also discussed.
对传感器工作原理进行了分析,研究出了镱敏感元件的加工工艺,合理设计了传感器结构。
The working principle of the sensor was analyzed, the machining technology of the ytterbium sensing element was developed and the structure of the sensor was reasonably designed.
本文对掺镱双钨酸钇钠晶体的原料处理、生长工艺及晶体结构、性能和缺陷进行了研究分析。
This article analyzes and studies the raw material handling, growth technology, crystal structure, character and defect of the ytterbium doped natrium yttrium tungstate laser crystal.
文中主要介绍了用MCVD工艺结合溶液掺杂技术制备铒镱共掺双包层光纤的设计、制作及性能。
The design, fabrication and properties of the ytterbium-erbium co-doped double-cladding fiber are reported, which is made by method of a combination of the MCVD and solution doping technique.
对分布布拉格反射(DBR)的透射特性进行了分析,制作了一个单频窄线宽掺镱光纤dbr激光器。
The characteristics of distributed Bragg reflector (DBR) cavity are analyzed. A narrow-linewidth single-frequency ytterbium-doped fiber DBR laser is fabricated.
为了更好地设计掺镱光纤激光器,提出了一种用于确定自由运转的掺镱光纤激光器激射波长的计算模型。
A theoretical model was proposed to calculate the lasing wavelength of free running ytterbium-doped fiber lasers.
文章作者根据高功率光纤激光器的性能要求,设计和制备了内包层为D形和六边形的微结构掺镱双包层光纤。
In this paper, microstructure D-shape and hexagon inner cladding ytterbium doped fiber was designed and fabricated based on requirements of high power fiber laser.
本文对近些年来用电热原子吸收和火焰原子吸收测定镱时,为提高镱的灵敏度而采用的各种方法进行总结评述。
In this paper, various methods used for enhance sensitivity of Yb determined by ETAAS and FAAS in recent years were summarized and reviewed.
综合论述了掺镱双包层光纤激光器的端面泵浦和侧面泵浦耦合技术,并分析了掺镱双包层光纤激光器的发展趋势及应用前景。
The technology of end-pumped and side-pumped of Yb doped double clad fiber laser are dissertated. The trend and applications of the Yb doped double clad fiber laser are analyzed.
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