He ??? Ne laser light wavelength measurement by diffraction technique
Abstract
The purpose of this study was to apply the diffraction technique at a steel scale for He ???
Ne laser light wavelength measurement. The average wavelength thus obtained comes out to be
?? = 644.6 nm. This compares well with the known wavelength of He ??? Ne laser to within 2 %.
Ne laser light wavelength measurement. The average wavelength thus obtained comes out to be
?? = 644.6 nm. This compares well with the known wavelength of He ??? Ne laser to within 2 %.
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