Aided by the two virtual images of the seam light source on the seam plane observed at the back of the prism, it can reach the systematic coaxis by regulating them to symmetrize the seam.

本文借助于在棱镜后面所观察到的在缝平面上的缝光源之二虚像，并通过把它们调至对缝严格对称，迅速达到系统的共轴要求。

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A new technique for multiplex holography is proposed in which all reference beams are encoded and recorded by means of a rotating prism to modulate the plane reference beams.

本文提出一种新颖的多重全息术，它是利用旋转光楔调制平面参考波的传播方向，实现编码参考光记录获得多重全息图。

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The half-shade Polarization prism is an important de- vice for determining and measuring accurately the azimuth of a beam of Plane Polarized light.

半阴偏振镜是精确确定和测量平面偏振光的偏振方位的重要器件。

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