论文给出了分析随机波前相位编码体光栅选择性衍射的一种方法。
A diffraction selectivity theoretical analysis method of volume gratings with wave front phase encoding is proposed.
本发明公开了一种基于重叠体光栅的多路光纤激光相干组束装置及相 干组束方法。
The invention discloses a multi-channel optical-fiber laser coherence beam combination device and a coherence beam combination method based on overlapped body grating.
体全息光栅的读出偏离布拉格条件时，衍射光方向的确定是体光栅耦合波理论中的一个重要问题。
When a volume holographic grating is readout under off-Bragg condition, determining the direction of the diffracted beam is an important issue in the coupled-wave theory of volume gratings.
光纤光栅传感器集传感与传输于一体，应用非常方便。
Optic-fiber gratings sensor is very convenient for application .
利用带有针孔的透射式光栅光谱仪研究了激光等离子体X射线辐射的原子序数依赖性和激光功率密度对辐射的影响。
This paper presents the studies of the dependence of soft X-ray emission on atomic-number and laser intensities by using a new diagnostic tool, pinhole transmission grating spectrograph (PTGS).
介绍一种新颖的用于研究激光等离子体的掠入射光栅摄谱仪。
A novel grazing incidence grating spectrograph for studying laser produced plasma has been developed.
首先应用耦合波理论对体全息光栅的衍射效率以及角度选择性和波长选择性等衍射特性进行了分析。
First, the properties of volume holographic grating, such as diffraction efficiencies, Angle and wavelength selectivity, have been theoretically analyzed by using the couple-wave theory.
采用透射光栅和软x光条纹相机测量了铜激光等离子体软x光发射的时间分辨光谱。
Time resolved soft X-ray (SXR) spectra of copper laser plasmas are measured by involving a SXR streak camera with a SXR transmission grating.
本文提出了用等离子体蚀刻法提高浮雕全息光栅衍射效率的原理和方法。
The principle and method to improve the diffraction efficiency of relief holographic gratings by plasma etch is presented in this paper.
设计了一种基于绝缘体上的硅材料的全内反射型阵列波导光栅解复用器件。
An arrayed waveguide grating (AWG) demultiplexer with total internal reflection (TIR) mirrors is designed based on silicon-on-insulator (SOI) material.
将体全息光栅视为许多平面全息光栅的集合，利用平面全息衍射理论导出体全息光栅衍射的耦合波方程，并得到其衍射效。
And, using the planar hologram diffraction theory, the coupled wave equations of the volumetric hologram grating diffraction have been derived and the diffraction efficiencies obtained.
研究了集光栅技术、莫尔技术、相移干涉术为一体的虚光栅移相莫尔条纹法测量量块的原理及关键技术。
The virtual grating phase shifting moire fringe method is studied to measure the parameters of gauge block which combines the techniques on grating, moire, and phase shifting interferometry.
报道了一种用电子束曝光的方法在绝缘体上硅的脊状光波导上制做布拉格光栅的技术。
The fabrication of Bragg gratings on silicon-on-insulator (SOI) rib waveguides using electron-beam lithography is presented.
论文首先根据光栅测量原理，提出了一种全新的集光、机、电一体化的水轮机主轴扭矩测量方法，并依据该方法设计了光栅扭矩传感系统。
According to the principle of grating torque measurement system, a design of a new optical, mechanical and electric torque measurement for turbine is designed.
南京中科天文仪器有限公司生产机电一体化产品，主要有各类天文仪器、圆光栅编码器、电梯专用编码器系列、数显表等。
NAIRC produces integration of machinery product, Mainly has each kind of astronomy instrument, Incremental rotary encoders, Elevator encoder, Number obviously table and so on.
在光栅谱衍射干涉法的基础上，本文提出用色散效应产生的相位体微分干涉条纹，进行实时假彩色编码的原理。
A new principle is proposed to pseudocolor-code the differential interference in the grating-diffraction interferometry with extended white light illumination by using dispersion effect of a prism.
以平行光管和23面棱体为基准，得到存在偏心误差的一组光栅角编码器测量数据。
With a collimator and a 23 polyhedron as measuring datum, a set of optical angular encoder measuring data, which containing the eccentricity error, was obtained.
设计并制作了光纤光栅涡街流量传感系统，包括传感器封装法兰、等强度悬臂梁、涡街发生体等关键传感单元。
We designed and produced a fiber grating vortex Flow sensor system, including sensor package flange, uniform intensity cantilever, vortex generating body et al and other critical sensing units.
将usb总线和光栅测距结合于一体，设计了一种基于USB接口的光栅信号处理系统。该系统采用软、硬件结合的方法，具有模块化和多用化的特点。
In this paper, a system of grating signal processing based on USB is designed, which is characterized with modular and multiple use by means of combining software and hardware.
体全息光栅由球面信号光波和平面参考光波干涉记录，并以原信号光作为探测光波进行成像。
Volume holographic grating, used as a volume holographic imaging lens in the imaging system, is recorded via illuminating the recording medium with a spherical signal beam and a plane reference beam.
利用单片透射型体布拉格光栅，我们设计了畸变激光束的空间一维滤波实验。
Using transmitting volume Bragg gratings (TVBG) as a basis, an experiment on one-dimensional spatial filtering of a deformed laser beam is designed.
利用单片透射型体布拉格光栅，我们设计了畸变激光束的空间一维滤波实验。
Using transmitting volume Bragg gratings (TVBG) as a basis, an experiment on one-dimensional spatial filtering of a deformed laser beam is designed.
应用推荐