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Measuring the Wavelength of Light with a Ruler

 

作者: A. L. Schawlow,  

 

期刊: American Journal of Physics  （AIP Available online 1965）
卷期: Volume 33, issue 11  

页码: 922-923

 

ISSN:0002-9505

 

年代: 1965

 

DOI:10.1119/1.1971076

 

出版商: American Association of Physics Teachers

 

数据来源: AIP

 

摘要:

A simple lecture demonstration is described, in which light from a gas-discharge laser is diffracted at grazing incidence by the rulings of a steel scale. The wavelength of light is obtained by measuring the pattern spacings and the distance from the ruler to the screen.

 

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