25 October 2004 Investigation of pit formation in multilayer optical storage disks using optical coherence tomography
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Abstract
We propose anovel application of optical coherence tomography (OCT) to monitor pit formation in laser irradiated optical storage materials. A multilayer optical storage recordable compact disk, is composed of multiple layers, each of different structure. Disks were irradiated with a Q-Switched Nd:YAG laser with an energy of 373 mJ. Post-irradiated disks were evaluated by OCT and those images were compared with optical microscopy. Our results indicate that OCT is a useful instrument to investigate pit formation in mulitlayer optical storage disks and might also provide information to optimize optical memory technology.
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Yongjin Shin, Yongjin Shin, Woonggyu Jung, Woonggyu Jung, Zhongping Chen, Zhongping Chen, John Stuart Nelson, John Stuart Nelson, Hyunjin Kim, Hyunjin Kim, Jinseong Park, Jinseong Park, } "Investigation of pit formation in multilayer optical storage disks using optical coherence tomography", Proc. SPIE 5604, Optomechatronic Micro/Nano Components, Devices, and Systems, (25 October 2004); doi: 10.1117/12.571760; https://doi.org/10.1117/12.571760
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