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- A hybrid semiconductor laser is fabricated by combining an anti reflection coated F P laser chip with an in fiber Bragg grating (FBG). The cavity length is about 3 cm and the peak reflection of the FBG is 50%. 利用一个一端镀有增透膜的F-P腔半导体激光器芯片和一段反射率为50%25的光纤光栅组合成一混合腔激光器,腔长约为2cm。
- O! I s t h t. T i v u a w h f p f t r s e d. 服务员:哦!很抱歉听您这么说。这种事很少发生。我们每天从固定的供应商进货。
- The transmission rate, wavelength of the reflected peak, FWHM of peak for the fiber grating F?P cavity are analyzed. 对光纤光栅F P干涉仪在轴向应变作用下的透射率、峰值波长、光谱半宽度、工作模式等参量的变化进行了分析。
- Y. L m s. A... w n a f p, a c b, a b k k,... 大卫:好吧。我看看,我们需要一个煎锅,一个菜板,一把厨刀。
- Y, a w g t u h p f t p f p o i.I n v h f u t c u w t m f d p. 本杰明:可以,我们可以用城市住房公积金来支付一部分,付头款对我们来说也不是很难。
- DDC112 is applied in the cavity length control system of laser gyro. 介绍了DDC112在激光陀螺的腔长控制系统中的应用。
- Cavity length depth ratio strongly influences flow field、total pressure recovery、drag coefficient. 凹腔长深比对流场特性、总压恢复、燃烧室阻力影响显著。
- Bovenkerk H P, Bundy F P, Hall H T, et al. Preparation of Diamond [J].Nature,1959,184(4693):1094. 唐敬友;谷岩;董庆东.;二次暂停分段加压金刚石合成工艺探讨[J]
- The results showed that the single longitudinal mode output can be obtained if the laser with adequate cavity length were coupled. 计算表明:如果选用适当腔长的激光器耦合,可以得到单纵模输出。
- The relation of the defocus and cavity length as well as the relation of the defocus and cavity mirrors’ distortion are obtained. 得到了离焦像差与腔长的特性关系和离焦像差与腔镜变形量之间的特性关系。
- Bowdon F P, Tabor D. “The Friction and Lubrication of Solids. “ Oxford: Clarenden Press, 1964. 温诗铸,摩擦学原理,北京,清华大学出版社,1990。
- In addition, the cavity length change quantum and the distortion quantum of cavity mirrors are all linear relationships to the defocus aberration. 腔长改变或腔镜矢高变化与离焦像差都成近似的线性关系。
- The connection between resonator length of a multi-longitudinal mode laser and cavity length of a F-P etalon used as the edge filter is put forward. 给出了多纵模激光器谐振腔腔长与边缘滤波器F-P标准具腔长之间的关系。
- To measure the time response of frequency,a method combining F P and double pass of an AOM is proposed,and time response of power is also measured. 提出了F P腔和声光晶体双通过装置联用来测量其频率动态特性的一种方法 ,对驱动器的频率和功率动态性能进行了测量
- Yuan Y S, Jia F P, Cai Y.Deterioration of mechanical behavior of corroded steel bar[J].Journal of Industrial Construction, 2000,30 (1): 43-46. [4]袁迎曙;贾福萍;蔡跃.;锈蚀钢筋的力学性能退化研究[J]
- The new circuit directly digitizes the photocurrent of laser gyro successfully, and meets the need of high precision cavity length control system of laser gyro. 用设计的新电路实现了激光陀螺光电流的直接数字化,满足高精度腔长控制的要求。
- The intrinsic F P cave is used for fiber optical sensor to measure the strain, which can raise the resolution of the sensor. 应用低反射率不对称光纤法布里- 珀罗干涉腔与光纤连接构成的光纤应变传感器,以提高分辨率;
- Environmental vibrations may cause the positive-branch confocal unstable cavity length to be maladjusted, moreover, thermal effect directly leads to cavity mirrors distortion. 摘要正支共焦非稳腔在出光过程中易受环境扰动而造成腔长失调,易受热积累影响而使腔镜变形,从而使输出光束产生离焦像差和部分其它像差。
- The mode-spacing of the fiber Bragg grating Fabry-Perot (FBG F-P) cavity is calculated by using the effective cavity length which contains the effective length of the FBG. 利用包含光栅有效长度在内的有效腔长来计算光纤布拉格光栅法布里-珀罗腔的模式间隔。
- In experimental measurement, F P laser interferometry and auto measurement system are used to take F P interference pictures and test pressure distributions. 实验测试应用F-P激光干涉仪和自动测压系统,得到流场F-P干涉照片和压强分布。