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twin beams
相关语句
  孪生光束
     2. The experimental principle and setup for preparation of sub-poissonian light with twin beams are introduced.
     2、介绍了利用孪生光束制备亚泊松光场的实验原理、实验装置,并给出实验结果与分析。
短句来源
     The Generation and the Measurement of High Power Twin Beams
     高功率孪生光束的产生与测量
短句来源
     1. The generating of twin beams via OPO is introduced in detail.
     1、详细介绍了非简并光学参量振荡器产生孪生光束的物理过程,分析了其噪声特性,并介绍了其探测方法。
短句来源
     This paper discusses a measurement scheme of high power twin beams generated by a non-degenerated optical parametric oscillator operating above threshold.
     讨论了一种用于运行于阈值以上的光学参量振荡器所产生的高功率孪生光束的测量方案。
短句来源
     Above the oscillation threshold of the NOPO(~3mW), the twin beams with intensity quantum correlation of 6 0dB were obtained;
     通过控制不同的工作条件 ,在此装置上可以产生多种类型压缩光 :阈值以上产生约 6dB(74%)量子相关孪生光束 ;
短句来源
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  “twin beams”译为未确定词的双语例句
     A Detection Method of Small Phase Shift with Twin Beams for Sensitivity Beyond the Shot-Noise Limit
     一种低于散离噪声极限的微小相移测量方法
短句来源
     A mini all solid state system of non classical light generation has been experimentally demonstrated. The quantum correlated twin beams were generated from a semi monolithic nondegenerated optical parametric osaillator including an α cut KTiOPO 4 crystal pumped by an all solid intracavity frequency doubled Nd∶YVO 4/KTP laser (0.53 μm). The noise of the intensity difference between twin beams was reduced to 3.2 dB below the standard quantum limit.
     利用激光二极管 (LD)抽运的内腔倍频YVO4 KTP激光器发出的 0 .5 3μm的激光 ,经由α 切割的KTP晶体构建的半整块非简并连续光学参量振荡腔 (CWNOPO)内参量下转换 ,获得了强度量子相关非经典光场 ,其强度差噪声低于标准量子极限 3 .2dB ,抽运阈值低于 10mW。
短句来源
     (3)The main beam anchor outline of one twin beams cable—stayed bridge in the south China area was changed.
     (3)华南地区某双幅斜拉桥主梁锚座轮廓的变更。
短句来源
  相似匹配句对
     The Generation and the Measurement of High Power Twin Beams
     高功率孪生光束的产生与测量
短句来源
     The Surface crack of vane of engine is repaired by twin laser beams.
     采用双光束激光修复发动机叶片K417的表面裂纹 .
短句来源
     Twin sister
     孪生姐妹
短句来源
     TWIN PARADOX
     孪生子佯谬
短句来源
     BENDING OF SANDWICH BEAMS
     三合板梁弯曲问题
短句来源
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  twin beams
We present a novel scheme to separate spatially twin beams generated by a type-I lithium niobate (LNB) optical parametric oscillator near frequency degeneracy.
      
We propose a QND-measurement of twin beams to improve the noise suppression achieved with squeezed states, which is currently limited by the finite sensitivity of the photo detectors.
      
QND-measurement of twin beams by phase sensitive preamplification
      
Operated with a vacuum meter input, both output beams are squeezed and 33% correlated, demonstrating individually squeezed twin beams.
      
We discuss recent progress in the study of the non-classical properties of light beams generated by non-degenerate parametric splitting in χ(2) nonlinear birefringent crystals, with special emphasis on their quantum correlation ("twin beams").
      
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The working principle, procedure and operating data for measuring the drawing velocity in continuous slab-casting by means of a twin beam Doppler differential laser velocimeter manufactured by Hoesch Stahl AG, FRG, is introduced. Also presented in this article is a concise analysis and discussion on the factors which influence the measurement errors.In comparison with other existing instruments for measuring the drawing velocity in continuous slab casting, the superiority of the laser velocimeter lies...

The working principle, procedure and operating data for measuring the drawing velocity in continuous slab-casting by means of a twin beam Doppler differential laser velocimeter manufactured by Hoesch Stahl AG, FRG, is introduced. Also presented in this article is a concise analysis and discussion on the factors which influence the measurement errors.In comparison with other existing instruments for measuring the drawing velocity in continuous slab casting, the superiority of the laser velocimeter lies in its readiness, accuracy, high continuity, freedom from contact with the measured object and its digital display; therefore it helps to optimize the control drocess in continuous slab casting.

本文详细介绍了联邦德国贺施钢公司(HOESCH STAHL AG)采用的双光束差动多普勒激光测速仪测量连铸钢坯拉速的工作原理、方法和结果,并对测量误差的影响因素进行了扼要的分析讨论。 激光测速仪测量铸坯拉速与现有的其它方法相比,具有迅速、准确、连续性好以及不接触测量物、易数字化等优点,为连铸机过程的最优控制创造了条件。

A twin-beam adaptive alignment measurement system is introduced. The sensor consists of two sets of quartz wedges which are respectively right-handed and left-handed with equal angle. One of the laser beam serves as measuring beam and the other for monitoring of the environment turbulance. Because the two beams are close enough to each other, the effect of atmosphere can be compensated by this system. Theoretical and experimental results are given in this paper.

介绍了一种双光束自适应准直测量系统。传感元件为两套楔角相同的左旋和右旋石英光楔。由于两束光足够靠近,用其中一束光专门监测各种漂移因素以便补偿另一束光的测量结果,从而达到对环境干扰自适应补偿的作用。文中给出了理论分析和实验结果。

A new method using twin beams with the quantum correlation to detect the small phase shift has been suggested. It has been theoretically demonstrated that the sensitivity of measurement can be beyond the shot -noise limit. In principle the minimum measurable phase shift is able to reach to zero with the proposed regime.

本文提出一种利用量子相关孪生光束进行微小相移测量的新方法。并从理论上证明了该方法的相位测量精度不受散离噪声极限的限制。在理想情况下最小可测相移趋近于零。

 
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