CN107845317B - 一种单路光拍相位法测量光速的实验方法 - Google Patents
一种单路光拍相位法测量光速的实验方法 Download PDFInfo
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- CN107845317B CN107845317B CN201710847878.2A CN201710847878A CN107845317B CN 107845317 B CN107845317 B CN 107845317B CN 201710847878 A CN201710847878 A CN 201710847878A CN 107845317 B CN107845317 B CN 107845317B
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000002474 experimental method Methods 0.000 title abstract description 10
- 230000003287 optical effect Effects 0.000 claims abstract description 21
- 238000002310 reflectometry Methods 0.000 claims abstract description 5
- 230000035559 beat frequency Effects 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000010363 phase shift Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 12
- 239000011521 glass Substances 0.000 description 9
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000002604 ultrasonography Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010587 phase diagram Methods 0.000 description 1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/22—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for optics
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J7/00—Measuring velocity of light
Abstract
Description
光斑序数n | 相位Δx<sub>n</sub>/X | 光斑序数n | 相位Δx<sub>n</sub>/X |
1 | 0.034 | 11 | 0.38 |
2 | 0.068 | 12 | 0.41 |
3 | 0.11 | 13 | 0.44 |
4 | 0.14 | 14 | 0.48 |
5 | 0.17 | 15 | 0.51 |
6 | 0.21 | 16 | 0.55 |
7 | 0.24 | 17 | 0.58 |
8 | 0.27 | 18 | 0.62 |
9 | 0.31 | 19 | 0.65 |
10 | 0.34 | 20 | 0.68 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108919395A (zh) * | 2018-07-11 | 2018-11-30 | 中国科学院电子学研究所 | 用于增加光束光程的装置 |
CN110531103B (zh) * | 2019-09-30 | 2021-08-10 | 浙江海洋大学 | 一种基于利萨如图形的光速测量方法与装置 |
CN111256846B (zh) * | 2020-01-16 | 2022-09-16 | 超越科技股份有限公司 | 一种使用锁相放大器测量光速的方法及设备 |
CN113267469A (zh) * | 2021-05-08 | 2021-08-17 | 泰山学院 | 一种透明液体折射率的测量方法和系统 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1436314A (en) * | 1972-09-27 | 1976-05-19 | Barr R | Apparatus for measuring the speed of light |
CN85201060U (zh) * | 1985-04-01 | 1986-01-15 | 南京大学 | 多用途光速测量仪 |
US6454722B1 (en) * | 1999-08-31 | 2002-09-24 | Canon Kabushiki Kaisha | Doppler velocimeter for blood flow |
CN1945245A (zh) * | 2006-10-19 | 2007-04-11 | 上海大学 | 用光和电信号的相位差在短光程内测量光速的方法和系统 |
CN203443673U (zh) * | 2013-08-29 | 2014-02-19 | 南京浪博科教仪器有限公司 | 光速测量仪 |
CN105910630A (zh) * | 2016-04-25 | 2016-08-31 | 中国科学院国家天文台南京天文光学技术研究所 | 基于空间光程差调制的光程差测量方法及其装置 |
CN106949979A (zh) * | 2017-02-09 | 2017-07-14 | 北京建筑大学 | 一种基于lc振荡电路的光速测量方法 |
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- 2017-09-19 CN CN201710847878.2A patent/CN107845317B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1436314A (en) * | 1972-09-27 | 1976-05-19 | Barr R | Apparatus for measuring the speed of light |
CN85201060U (zh) * | 1985-04-01 | 1986-01-15 | 南京大学 | 多用途光速测量仪 |
US6454722B1 (en) * | 1999-08-31 | 2002-09-24 | Canon Kabushiki Kaisha | Doppler velocimeter for blood flow |
CN1945245A (zh) * | 2006-10-19 | 2007-04-11 | 上海大学 | 用光和电信号的相位差在短光程内测量光速的方法和系统 |
CN203443673U (zh) * | 2013-08-29 | 2014-02-19 | 南京浪博科教仪器有限公司 | 光速测量仪 |
CN105910630A (zh) * | 2016-04-25 | 2016-08-31 | 中国科学院国家天文台南京天文光学技术研究所 | 基于空间光程差调制的光程差测量方法及其装置 |
CN106949979A (zh) * | 2017-02-09 | 2017-07-14 | 北京建筑大学 | 一种基于lc振荡电路的光速测量方法 |
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