›› 2007, Vol. 26 ›› Issue (5): 35-35.
• 著者文摘 • Previous Articles Next Articles
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Abstract: From structure of optical disk, its signal trace can be viewed as a reflection grating, so track pitch of optical disk and the length of the signal trace on a CD can be measured.
Key words: optical disk, track pitch, signal trace, reflection grating
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https://dxwl.bnu.edu.cn/EN/Y2007/V26/I5/35
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