Abstract
To achieve the two-dimensional optical memory1), some researchers have reported experimently2,3) the microprobe array head with high optical throughput. We have studied the microprobe array using the GaP wafer.4) The GaP microprobe was evaluated as high throughput of 1% at 100nm aperture size using a objective lens for collection to the tip of the probe. To improve the optical throughput more than previous report, some kind of the head was proposed and calculated5−8). Shi et al. have calculated new structure of the C type6). The C type is achieved high optical throughput by using the plasmon enhancement phenomenon of the electric wave. We have calculated the new structure of the Claw type probe7) too. The claw type probe is achieved it by using the plasmon enhancement phenomenon of the electric wave and excepted effect of optical cutoff from small aperture. However, to realize the optical memory using the VCSEL of the 1mW optical power, it is required to improve optical throughput more than previous report. In this paper, we would like to propose a new structure using new mechanisms of the thermal conduction effect and the local plasmon resonance effect of the electric wave from the periodic structure. The structure is achieved to convert effectively the electric-magnetic wave energy to temperature and the temperature is accumulated locally area.
© 2003 Optical Society of America
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