Change in data marks and groove structures of compact recordable disks in response to a high power laser beam

Taeyoung J. Choi; Thomas D. Milster

doi:10.1117/1.2214714

1 June 2006 Change in data marks and groove structures of compact recordable disks in response to a high power laser beam

Taeyoung J. Choi, Thomas D. Milster

Author Affiliations +

Optical Engineering, Vol. 45, Issue 6, 064302 (June 2006). https://doi.org/10.1117/1.2214714

Abstract

Changes in data marks and groove structures are examined when a high power laser beam (>0.5 W) is focused on compact disk recordable (CD-R) data layers. Observations are recorded as a function of exposure condition and the type of dye used in the recording layer. All samples experience a decrease in the depths of data mark features and the pregroove modulations on exposure. Data marks on cyanine- and azo-dye disks become optically invisible after exposure, while data marks on phthalocyanine-dye disks remain visible, even after high-power exposure. Also, phthalocyanine-dye disks show interesting phenomena, including mixture of the dye and the substrate material during recording and contrast reversal of the marks.

©(2006) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Taeyoung J. Choi and Thomas D. Milster "Change in data marks and groove structures of compact recordable disks in response to a high power laser beam," Optical Engineering 45(6), 064302 (1 June 2006). https://doi.org/10.1117/1.2214714

Published: 1 June 2006

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