Shinya Kagawa Yiwei He Toshitaka Kojima Two-Dimensional FDTD Analysis of the Readout Characteristics of an Optical Near Field Disk. 48-55 2008 91-C IEICE Transactions 1 http://dx.doi.org/10.1093/ietele/e91-c.1.48 db/journals/ieicet/ieicet91c.html#KagawaHK08