查询词典 wavelength

The Optical Parametric Oscillator has been widely used as a wavelength tunable coherent radiation source, since it offers a broad tuning range from ultraviolet to far infrared, and some of its wavelengths are unaccessible to common laser systems, so OPO has great value of application.

光学参量振荡器具有可调谐的优点，调谐范围可从紫外到远红外以上，弥补了普通的激光器只能输出一种波长激光的缺点，并且覆盖了普通激光器不能达到的波长，具有很高的应用价值。

A strong blue emission band between 350nm and 600nm was observed in the supported AAO templates unannealed. The central wavelength of the emission band was located at 435nm.

使用这些退火后的铝片，通过二次阳极氧化法制备的高度有序纳米阵列孔AAO膜为非晶态，并且在退火后转变为γ-Al〓O〓。

Through experiment and by the method of unascertained mathematics, this paper defines the microwave wavelength.

通过实验并运用未确知数学的方法给出微波波长所在的区间，还根据可信度密度确定最可靠的微波波长值。

One or more of said (8, 10) filters are arranged to add or drop at least two selected adjacent wavelength channels of the WDM optical signal whilst allowing the remainder of the channels within the WDM signal to pass substantially unattenuated.

将一个或多个所说的滤波器(8，10)配置成可以插入或分出WDM光信号中的至少两个选中的邻接波长信道，而允许WDM信号中的其余信道基本上不受衰减地通过。

The content of uncaria alkaloid in rhynchophylline was 0.71% measured by ultraviolet spectrophotometry at 246.0 nm wavelength.

结果：本品定性鉴定薄层色谱特征明显，与标准品有相同的Rf；紫外分光光度法在246.0 nm波长处测得钩藤总碱中钩藤碱的含量为0.71%。

Results:tlc characteristic of qualtative identification of this goods was apparent,with the same rf to standard samples.the content of uncaria alkaloid in rhynchophylline was 0.71% measured by ultraviolet spectrophotometry at 246.0 nm wavelength.conclusion:this method was found to be rapid,simple,economic,accurate and reproducible.

结果：本品定性鉴定薄层色谱特征明显，与标准品有相同的rf；紫外分光光度法在246.0 nm波长处测得钩藤总碱中钩藤碱的含量为0.71%。结论：此方法快速、简便、经济、准确、重现性好。

In order to obtain better characteristics of photonic crystal lasers, the wafer bonding technology is introduced to integrate MQWs wafer with different uncompatible wafers. We utilize the direct bonding method and glue bonding method to integrate the 1550nm long-wavelength MQWs with DBR wafer or sapphire. The effect factors of bonding process and choice of bonding materials are discussed. At last, we measure the photoluminescence spectra of our membrane devices and bonding samples.

为了得到更好的光谱特性，我们介绍了各种晶圆接合技术去整合含有多层量子井结构的晶圆与其不相容的材料，我们利用直接接合和溶胶接合的方法去接合1550nm长波长的多层量子井晶圆与含有DBR结构的晶圆或sapphire，并对於各种接合影响因素与材料的选择加以讨论，最后再对我们的层状光子晶体雷射和晶圆接合后的样本做量测。

YAG laser with 1.06μm wavelength and undoped multimode step quartz fiber are used in experiment,and the cha...

实验上采用 1.0 6μm的YAG激光器和无掺杂多模阶跃石英光纤，测得了能量反射率和波形的变化规律，获得的最大反射率为 69%，脉宽压缩比为

The unflatness of amplified spontaneous emission noise and its impacts imposed on the performance of the off-center narrow filter polarization-nulling method when monitoring the in-band optical signal-to-noise ratio of dense wavelength division multiplexing system are analyzed, and a modified method by introducing an unflat factor in the calculation of OSNR is proposed.

分析了累积自发辐射噪声的非平坦特性，在已有窄带离心偏振置零法测量波分复用系统中带内光信噪比的基础上，分析该方法在噪声非平坦条件下存在的问题，提出了在光信噪比的计算中引入修正因子。

For the examination of Multispectral radiation thermometry with first-order linear emissivity model:(1) the best MRT examined wavelength range for unoxidized aluminum alloys is from 3 m to 4 m;(2) unoxidized samples provide better temperature prediction than oxidized samples;(3) if the emissivity model can well represent the real emissivity behaviors, the more accurate inferred temperature can be achieved.

应用多光谱辐射测温法搭配一阶线性放射率模组於温度推测：(1)应用於推测无氧化试件表面温度之波段的选择以3 m到4 m的结果最好；(2)应用於推测无氧化试件表面温度的结果比推测有氧化试件表面温度的结果来的好；(3)当放射率模组越能模拟铝合金表面放射率行为，则所推测温度误差将越小。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。