马吕斯是个心明眼亮的人，他非见到真正的晴光不可，疑信之间的那种半明不暗的光使他痛苦。
Marius was clear-eyed, and he required the true light. The half-lights of doubt pained him.
1808年马吕斯发现了光的偏振现象，从此偏振光学成为光学学科的一个重要分支。
In 1808, Malus discovered the polarized phenomenon of light. From then on, polarization optics became a important subject of optics.
基于光的偏振特性、马吕斯定理和法拉第旋光效应，采用同光源双光路检测，实现了大量程直线位移的测量。
Based on characteristics of optical polarizing, Malus law, and Faraday optical rotation, a long-range displacement detector is realized by same light source and double light route.
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