光束

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。

The support is provided with a gap enabling a light beam to pass through the glass plate and to impinge on a light receiver.

支撑件上设有狭缝，以使得光束能穿透玻璃板并射到光接收器上。

The incident phase modulation and spatial transmission properties of a shaped beam are studied, as well as the modulation characteristics of the liquid crystal light valve.

着重研究了在高功率激光系统中，反射式液晶光阀作为空间整形器件面临的一些应用问题，特别是它的各种调制特性、整形能力以及对于光束质量的影响。

This device is characterised by that its beam-splitter unit is the above described one, the first focusing elements (24) are placed at two opposite sides as seen from the direction of the beam arriving to the semitransparent reflective surfaces of the optical beam-splitter unit (22) i.e. from the receiving direction (5) and the common optical axis (23) of the first focusing elements (24) is at right angles to the receiving direction; outside the first focusing elements (24) on both sides a mirror is placed in front of each eye, and the semitransparent reflective surfaces of these mirrors enclose an angle delta 45 DEG +-15 DEG with the above mentioned optical axis (23), and the intersection line of these reflective surfaces is parallel to the mirror crossing intersection line (4) of the semitransparent reflective surfaces.

该双目图像显示装置的特征是其光学分束器单元是所述的单元，从到达光学分束器单元(22)的半透明反射面的光束方向看，即从接收方向(5)看，第一调焦元件(24)放置在相对的两侧，并且第一调焦元件(24)的共同光轴(23)垂直于接收方向；在位于两侧的第一调焦元件(24)的外面反射镜放置在每一只眼睛的前面，并且这些反射镜的半透明反射面与所述共同的光轴(23)围成夹角δ45°±15°，并且这些反射面的交线平行于半透明反射面的交叉反射镜交线(4)。

In the meantime, the application of optical switch and linearity scanning have been discussed in this paper.

同时，对光束控制在光开关、线性扫描等方面的应用做了相应的研究，此技术有广阔的应用前景。

Featuring dual function HID electronic ballast the low beam 3200 lumen output has a run time of 110 minutes.

具有双重功能的HID电子镇流器低光束3200流明输出有110分钟的运行时间。

The maladjustment of laser cavity and light beam quality .

激光器腔的失调与光束质量。

Themeasurements for the degree of polarization and the element of mutual matrix arealso presented.

对矢量光束的偏振度和相干矩阵元的测量也做了方法讨论。

To meet the requirement of closed loop control, the optical influence function matrix is measured thoroughly.

为了实现闭环控制，对微变形反射镜的光学影响函数矩阵进行了全面测量，并用得到的电压矩阵对畸变激光光束的波前进行了校正。

The Sunbeams Music Trust, a ch arity started almost 15 years ago by local resident Annie Mawson,"uses music in a therapeutic way to encourage communication and social inclusion, build up self-esteem, and self-confidence, and improve quality of life, making a real difference in people's lives."

光束音乐这个慈善团体开始与15年前，由当地居民安妮莫森发起："使用音乐治疗的途径鼓励传达社会内涵，建立自尊，自信和提高生活质量，改变人们的生活。"

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。