![The method for measuring the groove density of variable-line-space gratings with elimination of the eccentricity effect: Review of Scientific Instruments: Vol 86, No 2 The method for measuring the groove density of variable-line-space gratings with elimination of the eccentricity effect: Review of Scientific Instruments: Vol 86, No 2](https://aip.scitation.org/action/showOpenGraphArticleImage?doi=10.1063/1.4908138&id=images/medium/1.4908138.figures.f6.gif)
The method for measuring the groove density of variable-line-space gratings with elimination of the eccentricity effect: Review of Scientific Instruments: Vol 86, No 2
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![A diffraction grating has a line density of 650 lines/mm. This grating produces a 1st order maximum at a distance of 2.52 m from the central maximum on a screen which is A diffraction grating has a line density of 650 lines/mm. This grating produces a 1st order maximum at a distance of 2.52 m from the central maximum on a screen which is](https://homework.study.com/cimages/multimages/16/diffraction5878820256583260841.jpg)
A diffraction grating has a line density of 650 lines/mm. This grating produces a 1st order maximum at a distance of 2.52 m from the central maximum on a screen which is
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