Measuring focal length of a lens by identical direction Moire fringe

[in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]

Journals >Chinese Journal of Lasers >Volume 20 >Issue 3 >Page 175 > Article

Chinese Journal of Lasers
Vol. 20, Issue 3, 175 (1993)

Measuring focal length of a lens by identical direction Moire fringe

[in Chinese], [in Chinese], [in Chinese], and [in Chinese]

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[in Chinese]

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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 Copy Citation Text

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Abstract

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.

Keywords

grating interference fringe Moire fringes

[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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