| Study of high precise measurement of large diameters by a dual frequency laser interferometer |
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| 作者姓名： | FENG Qibo |
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| 作者单位： | FENG Qibo(Dep. of Physics，Northern Jiaotong university，Beijing 1 00044，China)LIANG Jinwen(Dep. of Precision instrument，Tsinglx，a Uniyersity，Beijing 100084，China) |
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| 摘 要： | Ｓｔｕｄｙ ｏｆ ｈｉｇｈ ｐｒｅｃｉｓｅ ｍｅａｓｕｒｅｍｅｎｔ ｏｆ ｌａｒｇｅ ｄｉａｍｅｔｅｒｓ ｂｙ ａ ｄｕａｌ ｆｒｅｑｕｅｎｃｙ ｌａｓｅｒ ｉｎｔｅｒｆｅｒｏｍｅｔｅｒ￥ＦＥＮＧＱｉｂｏ（Ｄｅｐ．ｏｆＰｈｙｓｉｃｓ，Ｎｏｒｔｈｅｒｎ...
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| 收稿时间： | 1994/8/30 |
Study of high precise measurement of large diameters by a dual frequency laser interferometer |
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| FENG Qibo.Study of high precise measurement of large diameters by a dual frequency laser interferometer[J].中国激光(英文版),1994,3(6):543-552. |
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| Authors: | FENG Qibo |
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| Abstract: | On the basis of analysing error factors of aiming the meaSured points of alarge diameter by a laser beam, a new method of aiming and positioning the measured points in the diameter measurement of a large scale workpiece by a laser beam is put forward in this paper. The high precise measurement of large diameters is realized by using a dual frequency laser interferometCr. The experiment results under different conditions are given. The results of uncertainty (3a) within SUm in measuring a one meter"diameter are obtained by the system. |
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| Keywords: | large diameter measurement aiming and positioning dual frequency laser interferometer |
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