Interferometric examination of the ruling errors of a concave grating
K G Birch; K G Birch; Light Division, National Physical Laboratory, Teddington, Middlesex
Журнал:
Journal of Scientific Instruments
Дата:
1966-04-01
Аннотация:
Two concave gratings have been examined interferometrically, in diffracted orders, for the errors present in the spacing of the rulings. Both random and periodic errors have been observed and the influence of a periodic error on a spectral line is illustrated.
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