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

Chinese Journal of Lasers, Volume. 8, Issue 9, 57(1981)

[in Chinese]

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

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[in Chinese]

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Basic research on the characteristics of optical spatial filters have been performed, and the principles on selecting shapes and dimensions of pinholes are given. On the basis of appropriate usage of spatial filters, dependence of wavefront coherence on the focusable power have been found.

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[in Chinese], [in Chinese], [in Chinese]. [J]. Chinese Journal of Lasers, 1981, 8(9): 57

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