System Tolerance of the Optical Head Used in Phase-change Optical Disk and Spot Size Measurement

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

Journals >Chinese Journal of Lasers >Volume 21 >Issue 10 >Page 827 > Article

Chinese Journal of Lasers
Vol. 21, Issue 10, 827 (1994)

System Tolerance of the Optical Head Used in Phase-change Optical Disk and Spot Size Measurement

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

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[in Chinese]

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[in Chinese], [in Chinese], [in Chinese]. System Tolerance of the Optical Head Used in Phase-change Optical Disk and Spot Size Measurement[J]. Chinese Journal of Lasers, 1994, 21(10): 827 Copy Citation Text

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Abstract

Based on the wave theory, every error source and its influence on the wave abrration are analyzed, and the corresponding tolerance limit is formulated. The micromeasure principle for submicron size spot is analyzed. A microscope system is set up, and the quality of a light spot is evaluated effectively by the system.

Keywords

micromeasure tolerance limit error source

[in Chinese], [in Chinese], [in Chinese]. System Tolerance of the Optical Head Used in Phase-change Optical Disk and Spot Size Measurement[J]. Chinese Journal of Lasers, 1994, 21(10): 827

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