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主要研究了如何利用飞秒激光测量绝对长度。解析和数值计算结果显示当飞秒激光通过理想的法布里-珀罗干涉仪时,利用干涉仪透射最大值可以实现绝对标准长度的测量。据此提出了标准频率与绝对长度一一对应的标准。
The main study of how to use femtosecond laser to measure the absolute length. Analytical and numerical results show that when the femtosecond laser passes the ideal Fabry-Perot interferometer, the absolute standard length can be measured by using the interferometer to transmit the maximum value. Accordingly, the standard that the standard frequency corresponds to the absolute length is proposed.