Measuring the wavelength of light wave with four-sides prism spectrograph |
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| Authors: | Qiankai Wang |
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| Institution: | College of Physics and Electronic Information, Anhui Normal University, Wuhu, Anhui 241000, China |
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| Abstract: | The angular dispersion of four-sides prism is presented. A more accurate amended expression of measuring the wavelength of light wave with the spacing between two spectral lines is presented. The spacing between two spectral lines is measured with measuring microscope, the wavelength of light wave is calculated with the amended expression, the experimental values of wavelengths agree well with the reference value. |
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| Keywords: | Four-sides prism spectrograph Angular dispersion Measuring microscope Wavelength measurement |
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