Variation in optical disk birefringence measurements

Kent B. Rochford; Stephen T. Kreger; John W. West

doi:10.1117/12.997588

28 June 1999 Variation in optical disk birefringence measurements

Kent B. Rochford, Stephen T. Kreger, John W. West

Proceedings Volume 3864, Joint International Symposium on Optical Memory and Optical Data Storage 1999; 38641Z (1999) https://doi.org/10.1117/12.997588
Event: Optical Data Storage, 1999, Kauai, HI, United States

Abstract

Optical disc birefringence affects playback performance in a variety of ways and is routinely measured as part of the manufacturing process. However, many disc manufacturers have observed significant variation in birefringence measurements when using commercially available instrumentation. To quantify the reliability of these tools, the Optical Disc Manufacturing Association (ODMA) and NIST performed a round robin intercomparison of optical disc retardance measurements. In this paper, we report that remarkably large measurement variation among instruments indeed exists. We discuss some sources of this variation to show that a substantial part is due to instrument uncertainty, and describe possible error source in one class of polarimetric instruments.

Citation Download Citation

Kent B. Rochford, Stephen T. Kreger, and John W. West "Variation in optical disk birefringence measurements", Proc. SPIE 3864, Joint International Symposium on Optical Memory and Optical Data Storage 1999, 38641Z (28 June 1999); https://doi.org/10.1117/12.997588

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