测量光盘机械特性和记录特性的测试系统

Topical Meeting on Optical Data Storage Pub Date : 1900-01-01 DOI:10.1364/ods.1987.tha5

Masato Yamamoto, K. Mikuriya, M. Sato, M. Hanawaka, A. Ohya

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引用次数: 0

摘要

我们开发了两种测试系统，分别用于测量光盘的机械特性和光学(记录)特性。机械特性测试系统测量轴向和径向跳动等。它具有光学位移传感器，轴向精度为0.1 um，径向精度为0.01 um。光学(记录)特性测试系统测量反射率、CNR、错误率、缺陷等。该系统信噪比优于70 dB。

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Test System for Measuring Mechanical and Recording Characteristics of Optical Disks

We have developed two test systems for measuring, respectively, the mechanical and optical (recording) characteristics of optical disks. The mechanical characteristics test system measures axial and radial runout, etc. It has optical displacement sensors with accuracy of 0.1 um in the axial direction and 0.01 um in the radial direction. The optical (recording) characteristics test system measures reflectivity, CNR, error rate, defects, etc. The system has a SNR of better than 70 dB.

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Topical Meeting on Optical Data Storage

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