双棱镜干涉法准确测量钠光波长

doi:10.14139/j.cnki.cn22-1228.2023.03.008

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摘要

影响双棱镜干涉实验准确测量钠光波长的主要因素：虚光源位置的确定、虚光源间距的测量、干涉条纹间距的测量。研究表明通过透镜成像法可以准确确定虚光源的位置。另外，利用透镜成像法测量虚光源放大像的间距以及对应的物距和像距可准确测量虚光源的间距。最后，通过测量距离虚光源较远处且尽量多的干涉条纹的距离再平均可以准确测量干涉条纹的间距。采用这些测量方法可以准确得到钠光的波长。

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	沈雨欣
	翁存程
	蒋丽钦

关键词: 双棱镜干涉波长测量

Abstract:

It points out the main factors that affect the accurate measurement of sodium light wavelength in thedouble prism interlerence experiment; delermination of the position of virtual light source, measurement ovirtual light source spacing, and measurement of inteference fringe spacing. The research shows that thposition of virtual light source can be accurately determined by the lens imaging method.n addition,the virtuaight source spacing can be accurately measured by using the lens imaging method to measure the spacing othe magnified image of the virtual light source and the corresponding object and image distances. Finally, theinterlerence fringe spacing can be accurately determined by measuring and averaging the distances of as many interference fringes as possible farther away from the virtual light source.Using these measurement methods . thesodium light wavelength can be accurately obtained.

Key words: double prism interference wavelength measurement

出版日期: 2023-06-25 发布日期: 2023-06-25 整期出版日期: 2023-06-25

ZTFLH:

O 435.1

引用本文:

沈雨欣, 翁存程, 蒋丽钦 . 双棱镜干涉法准确测量钠光波长 [J]. 大学物理实验, 2023, 36(3): 40-43.
SHEN Yuxin, WENG Cuncheng, JIANG Liqin. Accurate Measurement of Sodium Light Wavelengthby Double Prism Interference Method . Physical Experiment of College, 2023, 36(3): 40-43.

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http://dawushiyan.jlict.edu.cn/CN/10.14139/j.cnki.cn22-1228.2023.03.008 或 http://dawushiyan.jlict.edu.cn/CN/Y2023/V36/I3/40

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