期刊
OPTICS LETTERS
卷 36, 期 13, 页码 2510-2512出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.36.002510
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资金
- Australian Research Council [FL100100099]
- Australian Research Council [FL100100099] Funding Source: Australian Research Council
This paper reports on the study of the superresolution volume of the focal spot by focusing a radially polarized beam. This feature is achieved by increasing the inner radius of a high NA annular objective to break the diffraction-limited volume of a focal spot. The application of this finding into two-photon induced three-dimensional optical data storage leads to an enhanced photoreduction threshold effect in recording. As such, multilayer subdiffraction optical recording is experimentally demonstrated with an equivalent capacity of 3.0 Tbytes/disk. (C) 2011 Optical Society of America
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