Chinese Journal of Lasers, Volume. 20, Issue 3, 175(1993)
Measuring focal length of a lens by identical direction Moire fringe
This paper describes the measuring of focal length of a convex lens using Moire fringes in identical direction at a distance of 2f' from the lens, which is formed by interference fringe and a Ronchi grating. This method has high accuracy and the operating is simple.
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[in Chinese], [in Chinese], [in Chinese], [in Chinese]. Measuring focal length of a lens by identical direction Moire fringe[J]. Chinese Journal of Lasers, 1993, 20(3): 175
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