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- The basic theory of OAM of light beam is presented in Chapter II. 介绍了光束轨道角动量的基本理论。
- width of light beam 光束宽度
- M.A.Porras.Non-paraxial vectorial moment theory of light beam propagation.Opt. 郭弘;刘承宜;胡巍.;多阶强度非线性条件下的光束传输研究
- The amount of light that enters the lens can be controled by the length of time the camera shutter is open for (the exposure), and the width of the aperture (the fstop). 进入镜头光的总量可以由照相机快门打开时间的长短(曝光)和孔径的宽度决定。
- It bring forward that the specific heat, heat conductance, wavelength, power desity, model, shape of light and width of pulse him, the effect to the heat function. 提出了组织的比热、热导率、波长、功率密度、模式、光速的形状以及激光的脉冲宽度对热作用的影响因素。
- The principle of photoswitch: the projector will ju dge and react on the basis of light beam from the projector which is ... 摘要: 光电开关工作原理 光电开关的原理是根据投光器发出的光束;被 物体阻断或部分反射;受光器最终据此作出判 断反应.
- The width of the room is 20 feet. 这房间宽二十英尺。
- Remember childhood, West oblique sunlight, the golden rays of light beam in the water, the sun will live in the moment, so like in real dance. 记得小时候,阳光西西斜,金色的光芒斜射在水面上,阳光在那一刻便活了,那么真实像是在跳舞。
- So liquidcrystal grating is used in extensive field such as diffraction optics, photoelectric switch,deflexion controlling of light beam. 因此液晶光栅的这种光电特性在衍射光学、光电开关、光束偏转控制等许多领域具有广泛的应用前景。
- Facular micro-beams, the less light beam of light intensity distribution closer rectangles (ideally), the clarity of the latent image. 微平束的平斑愈小,平束的平强漫衍愈挨近矩形(抱负环境),则潜象的清晰度愈矮。
- The portrait shows fine effects of light and shade. 这幅肖像画的浓淡色调表现得很好。
- Structural and fixing parts that can prevent lamp body from damage,small power legerity,high effective distribution of light beam. 防损坏灯体结构和固定件,小功率、轻巧, 高效光束分布。
- The width of goal line and ball doorpost and beam is identical. 球门线与球门柱和横梁的宽度是相同的。
- By applying "slit method",the beam width of THz wave was measured. 利用“狭缝法"测量了太赫兹光束的束宽。
- Each quantum of light is removed from the light beams by absorption. 每一个量子由于吸收作用而从光束中消失。
- He can see a glimmer of light through the curtain. 他能透过窗帘看到一丝微光。
- The principle of photoswitch: the projector will ju dge and react on the basis of light beam from the projector which is interdicted by object or emitted partly. 光电开关工作原理光电开关工作原理光电开关的原理是根据投光器发出的光束;被物体阻断或部分反射;受光器最终据此作出判断反应.
- He paced out the length and width of the room. 他用步子量出那房间的长度和宽度。
- A space equal to half the width of an em. m字体的一半大小
- A labyrinth of light beams spearing through the interlaying bamboo chips. 层层叠叠的竹片,透出迷幻美妙的光芒。