Optical nonlinear features and response mechanisms of PtO2 and PdO1.1 masks for optical data storage with superresolution near-field structure

Qian Liu; Toshio Fukaya; Junji Tominaga; Jong Hyeong Kim; Takashi Kikukawa

doi:10.1117/12.532509

16 September 2003 Optical nonlinear features and response mechanisms of PtO₂ and PdO_1.1 masks for optical data storage with superresolution near-field structure

Qian Liu, Toshio Fukaya, Junji Tominaga, Jong Hyeong Kim, Takashi Kikukawa

Author Affiliations +

Proceedings Volume 5069, Optical Data Storage 2003; (2003) https://doi.org/10.1117/12.532509
Event: Optical Data Storage 2003, 2003, Vancouver, Canada

Abstract

Nonlinear properties and response mechanisms of PtO₂ and PdO_1.1 mask layers for optical data storage with super-resolution near-field structure were investigated. The results obtained from Z-scan measurement was supported by microscopic observation studies. The 5.1 mW and 6.5 mW, respectively, as the decomposition threshold of the PdO_1.1 and PtO₂ for leading to metallic nano-particles were confirmed. The scanned PdO_1.1 and PtO₂ mask samples could be retrieved at less than their own threshold values. It was also found for the PdO_1.1 and PtO₂ mask samples that the nonlinear optical response not only came from the metallic particles but also from the bubble deformation.

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Qian Liu, Toshio Fukaya, Junji Tominaga, Jong Hyeong Kim, and Takashi Kikukawa "Optical nonlinear features and response mechanisms of PtO₂ and PdO_1.1 masks for optical data storage with superresolution near-field structure", Proc. SPIE 5069, Optical Data Storage 2003, (16 September 2003); https://doi.org/10.1117/12.532509

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