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峰值反射率
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  peak reflectivity
     Peak reflectivity with ±0.9% variation will be generated for roughness variation of ±0.04nm at 0.85nm,which will cause an illumination uniformity error of ±1.5%.
     当掩模粗糙度为0.85±0.04nm时,峰值反射率将产生±0.9%的波动,并由此产生±1.5%的照明误差。
短句来源
     According to the ideal approximation of the coupled-mode theory,the Bragg equation and the peak reflectivity expression of the fiber Bragg grating are derived.
     根据理想模展开下的耦合模方程,对光纤布拉格光栅的峰值反射率公式进行了数学推导,得到了布拉格光纤光栅的光谱反射率表达式。
短句来源
     The roughness of EUVL must be in the range of ±0.025nm so as to ensure the illumination uniformity error resulted from peak reflectivity less than ±1%.
     为保证由峰值反射率导致的照明误差小于±1%,极紫外投影光刻掩模的粗糙度必须控制在±0.025nm以内。
短句来源
     As sputtering power of Mo target was increasing,surface roughness of Mo/Si film was increasing,characteristic diffraction peak of Mo species became stronger and stronger,furthermore, soft X-ray peak reflectivity of Mo/Si multilayers first increased and then reduced.
     研究发现,随着Mo靶溅射功率的增大,Mo/Si多层膜的表面粗糙度增加,Mo的特征X射线衍射峰也增强,Mo/Si多层膜的软X射线峰值反射率先增大后减小。
短句来源
     Using the couple mode theory, the reflection spectrum, the peak reflectivity and the reflection bandwidth of several typical fiber grating filters have been theoretically analyzed and numerically simulated.
     利用耦合模理论,对几种典型的光纤光栅进行了研究。 数值模拟了它们的反射谱分布、峰值反射率以及反射带宽随光纤光栅的长度和光栅折射率的调制深度的变化关系。
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  peak reflectance
     The measurement results show that the multilayer mirrors designed and fabricated by this paper have practical reflectance. It needs to point out especially that at r=1.03nm the peak reflectance of the multilayer mirror is 10%.
     测量结果表明:本文所研制的多层膜反射镜均具有实用的反射率,特别是中心波长为1.03nm的多层镜,其峰值反射率达到10%。
短句来源
     The simulated annealing(SA) arithmetic was used in the optimized designing for several wavelength in soft x-ray region and the optimized optical parameters was gained,including the optimized period thickness,thickness ratio and peak reflectance.
     基于模拟退火(SA)算法,对软x射线短波段中的几个波长的多层膜反射镜进行了优化设计,获得了它们的光学参数,包括多层膜反射镜的最佳周期厚度、最佳厚度比和峰值反射率,进而制作多层膜反射镜并在北京同步辐射装置上进行了反射率的实际测量。
短句来源
     It shows from the measured reflectivity spectrum of each sample that obvious reflectance peak occurs,but the center wavelength has some deviation from the designed value and the peak reflectance value is lower than expected.
     实际测量的样品反射谱中有明显的反射峰,但峰值波长与理论设计有偏差,峰值反射率也比理论设计值偏低。
短句来源
  “峰值反射率”译为未确定词的双语例句
     Chirped fiber grating dispersion compensators with the dispersion of 900 ps/nm, the 3 dB bandwidth of 0.6 nm and the reflectivity of 99.9 % were fabricated by using the phase mask technology.
     用相位掩模法制备了实用化的啁啾光纤光栅色散补偿器 ,补偿器的色散补偿量约为90 0 ps/nm,3d B带宽约为 0 .6nm,峰值反射率约为 99.9% .
短句来源
     It was measured that reflectivity for 2 # was below -10? dB in 2~18? GHz and apex reflectivity was -20.86?
     经测量 ,2 # 材料在 2~ 18GHz频率范围内反射率在 - 10dB以下 ,3.72GHz处峰值反射率达 - 2 0 .86dB
短句来源
     A new dispersion compensator for multi-wavelength, the sampled chirped fiber Bragg grating(FBG),was fabricated. Its length is 10cm. I t has the 10 wavelength structures,with the space of neighbored wavelength 0.8nm .
     研制出一种新型色散补偿光纤光栅——波长取样啁啾光纤光栅 ,它具有 1 0个周期性为 0 .8nm的波长结构 ,每个周期的反射特性和色散特性都基本相同 ,其带宽为 0 .6nm、峰值反射率为 90 %、色散量为 1 30 0 ps/nm、时延抖动小于 5 0 ps,光栅长度为 1 0 cm。
短句来源
     In experiment,the chirp-free tuning wavelength of 20.1 nm,using part pure bending method was achieved. During the whole tuning process,the linearity was 0.9996,the 3-dB reflection bandwidth and the reflection index showed little variations less than 0.07 nm and 0.2 dB,respectively. There was almost no chirp appearing,and the experiment consists with theory analysis well.
     在实验中,利用部分纯弯曲调谐法,获得了20.1 nm的光纤光栅无啁啾调谐范围,调谐线性拟合度为0.9996,调谐过程中光栅反射谱的3 dB带宽变化小于0.07 nm,峰值反射率变化小于0.2dB,基本无啁啾现象产生,实验结果和理论分析一致。
短句来源
     The periodic thickness and structure of the multilayer were measured by X-ray diffractometer. The reflectivities of these multilayers were measured on beam line UE56/1-PGM at BESSY-II,Germany. The measured peak reflectivities were 7.50% and 6.12% for Cr/C and Cr/Sc multilayer mirrors,respectively.
     利用X射线衍射仪测量了多层膜结构,在德国Bessy II同步辐射上测量了多层膜的反射率,C r/C,C r/Sc多层膜峰值反射率分别为7.50%,6.12%。
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  peak reflectivity
Results for reflectivity curves at 13-nm wavelength are discussed in terms of peak reflectivity, peak shift and further changes in the shape of the reflectivity curve.
      
We measure a peak reflectivity of 95% and a linewidth (FWHM) of 0.09?nm.
      
Permanent illumination of the filter with incoherent light allows us to adjust the peak reflectivity.
      
As expected, the value of the peak reflectivity depends on the crystal thickness.
      
A peak reflectivity of 24% was measured at 220 keV from a copper single crystal of 3.75 mm thickness having a mosaic spread of 1.5 minutes of arc.
      
更多          
  peak reflectance
With this design, the experimental peak reflectance reaches 0.46 at a wavelength of 46?nm.
      
The peak reflectance and the width of the photonic stop band are unaffected up to an angle of incidence of 45°.
      
In this calculation, light absorption in GaAs layers was considered and because of this absorption, peak reflectance would not reach 100%.
      
Most important is the feedback on the multilayer thickness uniformity in addition to the verification of high peak reflectance.
      
Most important is the feedback on the multilayer thickness distribution in addition to the verification of high peak reflectance.
      
更多          


in this work,we firstly enhanced the photosensitivity of general monomode fiber by hydrigen doping method,then fabricated fiber grating in it with UV-writing technology.The Bragg wavelength of the fiber grating we fabricated is 1552 um,the maximium reflectivty is about 48% and the full width at half maximium of the reflection peak is 1.2 um.

采用高压低温掺氢技术提高了普通单模光纤的光敏特性,利用相位掩膜法,通过紫外写入的方式,在普通含锗光纤上制备了光纤光栅,获得的Bragg反射波长为1552um,峰值反射率约48%,半高宽约1.2um.

The fiber Bragg gratings (FBG) in domestic monomode photosensitive optical fibers were prepared in terms of a 248nm KrF excimer laser and a phase mask. Some FBGs with the reflectivity of 10% and the bandwidth of 0. 6nm were obtained.

利用相位模板,在248nmKrF准分子激光器光束的照射下,在国产高掺锗单模光纤中制作出了中心波长为1547nm,峰值反射率约为10%,带宽为0.64nm的折射率调制光纤布拉格光栅。

A method for fabricating chirped fiber gratings using fiber Bragg gratings is presented. A Bragg fiber grating has been tapered by etching it in HF acid. A strain gradient along the grating was formed when a tension of 1.50 N was applied to the etched fiber grating and then a 15 mm long chirped fiber grating with a peak reflection of 92% and reflection full width at half maxmum (FWHM) width of 5 nm was fabricated.

介绍了一种用布拉格光纤光栅制作啁啾光纤光栅的方法。采用氢氟酸腐蚀布拉格光纤光栅, 使光栅的横截面沿光栅轴向逐渐变小, 然后对光栅施加1.50 N的拉力, 在光栅轴向建立应变梯度, 制作出长15 m m 、峰值反射率达92% 、反射半高宽为5 nm 的啁啾光纤光栅。

 
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