High speed photography on zone plate masked object

Rong Seng Chang, Tung Cheng

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


The target painted with Zone plate pattern to be tracked by a high speed camera through another transparent Zone plate give us a very high precision method for the measurement of target displacement. The film unflatness, air fluctuation and the vibration of the high speed camera are also effected on the shape change of the moire. The small amount change of the position and the direction of the target can be easily measured by this method.

Original languageEnglish
Pages (from-to)49-51
Number of pages3
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - 2 Nov 1984


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