查询词典 optical fiber

They have very intensive optical nonlinear effect, high birefringence, fantastic dispersion, ceaseless single mode transmission characteristic and dreamlike performance parameters. They can be used to form lasers with higher average power or peak value power. In a word they are the instruments that can rein the photon imaginably! Various theories and numerical analyzing methods of the photonic crystal fiber laser have been listed.

研究了有望构成更高平均功率连续激光器或更高峰值功率脉冲激光器的新材料——光子晶体光纤，介绍了其拉制方法，说明光子晶体光纤具有极强的光学非线性效应、高的双折射特性、奇异的色散特性和永无截止的单模传输特性等各项新颖奇特而且优异的性能指标，一句话，就是它是最有可能拥有完美的驾驭光子的能力的器件！

A fiber-optical spetrophotometery system had acceptable precision for intraoral measurement of human teeth color.

人体牙齿颜色测量系统在口内活体牙测量时可获较好的重复性，位置的改变可能引起a。

To measure the thickness of peripapillary retinal nerve fiber layer in normal Chinese subjects with optical coherence tomography and to identify the factors that might affect RNFL thickness.

目的 应用相干光断层扫描仪测量中国正常人视网膜神经纤维层厚度并探讨年龄、屈光度、性别及视盘面积对平均RNFL厚度的影响。

Objective To evaluate the influence of laser in situ keratomileusis on the macular retinal volume, peripapillary and perimacular retinal nerve fiber layer thickness assessed by optical coherence tomography preoperatively and 1 day postoperatively.

目的 利用OCT比较LASIK术前、术后早期黄斑区特定范围视网膜体积以及黄斑和视盘周围视神经纤维层厚度的变化。

PURPOSE: To evaluate the reproducibility of peripapillary retinal nerve fiber layer thickness and ganglion cell complex measurements made with the RTVue-100 Fourier-domain optical coherence tomography device (Optovue, Inc., Fremont, CA) and to determine the influence of 4 factors: pupil dilation, subject age, experience in imaging examinations, and glaucoma severity.

目的：评估RTVue-100傅里叶域光学相干断层扫描仪（Optovue公司，加州弗里蒙特）测量视盘周围视网膜神经纤维层厚度和神经节细胞复合体的重复性，并确定4个影响因素：瞳孔散大、受试者年龄、进行过影像检查和青光眼严重程度。

An integrated laser and optical modulator driver for ultra-high speed optic-fiber communication systems is designed and fabricated in a 0.2m gate length AlGaAs/InGaAs/GaAs pseudomorphic high electron mobility transistor process.

采用0.2m GaAs PHEMT工艺设计并实现了超高速光纤通信系统用激光二极管／调制器集成驱动器电路。

Supercontinuum with an ultra-broad bandwidth of 380 nm to 1750 nm was generated by injecting 250 kHz, 200 fs optical pulses produced from a regeneratively amplified Ti:sapphire laser into a 2.5 m-long polarization-maintaining photonic crystal fiber.

在800 mW的输入功率下得到了超连续谱的输出功率为60 mW；采用钛宝石放大器泵浦保偏PCF得到了谱宽为380 nm-1750 nm的超连续谱，带宽超过了两个倍频程。

The optical characteristic value Sn is used to evalute intensity distribution of light scattering according to statistical point of view. Using novel semiconductor laser, fiber collimation technique and etc, laser scattering surface roughometer has been developed.

从几何光学和物理光学的观点出发，分析了光散射法测量表面粗糙度的机理，所建立的镜面模型和衍射模型说明包括中心反射光斑和其两翼散射光光能分布和表面粗糙度之间存在着定量的关系；从概率统计出发，确立以光学散射特征值Sn来作为恒量粗糙表面散射光带光能分布的依据。

Since the ring fiber bundle has the advantages of coaxial illumination, uniformly emitted light and shadowlessness, it has been widely used in machine vision, optical instruments, image processing and so on.

环型光纤束具有可实现同轴照明、光斑均匀、无阴影等优点，近年来广泛应用于机器视觉、光学仪器、影像处理等技术领域。

It has basic significance to study the chaos of Erbium-doped fiber laser and optical spatiotemporal pattern.

因此，这两方面的研究都具有重大的基础性意义。

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。