偏振波

In this paper, we optimized the thickness of the doublers and triplers, mismatch angles and other parameters of Ⅰ/Ⅱ angle detuning and Ⅱ/Ⅱ polarization mismatch third harmonic generation schemes by numerical calculation way.

采用四阶龙格－库塔数值计算方法，以Ⅰ／Ⅱ角度失谐和Ⅱ／Ⅱ偏振失配两种三倍频方案为例，给出了入射基频光为平面方波，功率密度5GW／cm2的情况下，KDP晶体三倍频参数的优化结果。

Soft X ray laser radiation ranged from 40 nm to 110 nm is obtained by the 7th to the 19th order harmonic generation in krypton with femtosecond Ti∶sapphire laser operating at 780 nm, and the same phenomena especially the spectral shift is observed after the central wavelength of Ti∶sapphire laser is tuned to 795 nm.

利用中心波长在 780nm线偏振的掺钛蓝宝石超短脉冲激光，在氪气中观察到 40nm～ 110nm第 7～ 19次谐波的软X射线激光辐射，把中心波长调至 795nm时再次观察到相同的现象，特别是观察到谱线的移动，证实观察到的谱线是高次谐波，实验中还观察了谱线强度随气压的变化规律。

The polarization controller using fiber squeezers is improved under prevenient groundworks. Restoration units are cancelled, so that the squeezers are decreased from five to three. Half-wave voltage reaches 15V.

论文在前期研究工作的基础上对光纤挤压式偏振控制器进行了改进，取消了复位单元，使挤压器从五个减为三个，半波电压达到 15V。

An assemble of a half-wave plate and polarizers for precision controlled attenuator. Chin. J.

用于精密衰减控制的半波片和偏振片组合装置。

The output transmission of the single beam SESAM laser could be adjusted by combining a quarter wave plate and a thin-film polarizer.

联合四分之一波片和薄膜偏振器实现SESAM锁模激光器的单路输出且输出透过率可调。

The quarter-wave plates are attached by bayonet type couplings to the supporting rings of their respective polarizers.

四分之一波片借助于枪刺式联结器与各自的偏振镜的座环相联结。

The fully inseparable bright tripartite entangled state was experimentally generated using the NOPA at deamplification and the linear optical system consisting of polarization beam splitters and half wave plates. The variances of the sum of the amplitude quadratures of the three obtained optical modes and the relative phase quadratures among them is respectively 3. 28dBm and 3. 18dBm below the corresponding Shot Noise Limit.

利用运转于参量反放大状态的NOPA和偏振分束棱镜及半波片，从实验上产生了完全不可分的明亮三组份纠缠态光场，所产生的纠缠态具有三模正交振幅分量和与相对正交位相分量差的起伏方差低于散粒噪声极限的特性。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。