做实验

特别特别困,不知道在说什么,只是做个记录。

我在马赛天文物理实验室上天文课。今天上午下课后参观了这里的一些实验室。其中有有关E-ELT的,也就是european extremely large telescope。马赛的实验室负责研究制造它的一面镜子中的一个小部分(segment),我们去的时候,研究人员正在电脑上模拟仿真打磨过程,看上去还挺震撼的。

 

下午的实验课做全息实验。经过对镜子、透镜、激光等等的摆放,测出参考光和物体光的强度,然后算出曝光时间,再根据曝光时间,将光打到感光片上。再用特殊液体处理并加热,最终可以在观察屏上看到3d图像。

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