Establishments of theoretical basis of super-resolution near-field optical microscopy, spatially resolved imaging, and manipulation technology of nanometric particles

本项目的成员被组织成四个小组进行有效合作。第一个财政年度用于准备理论和实验工作。进行了深入的讨论。在此基础上，第二年取得了以下成果。(1)理论：AGU获得了色散介质中倏逝模之间正交关系的解析解。KITANO利用微波测量了近场强度分布，并评估了锥形探头的贡献。HORI通过使用无多普勒激光光谱测量了大量的倏逝光子动量。吉田开发了一种标准的近场光学显微镜，用于与理论进行比较。(2)探头：OHTSU通过选择性化学腐蚀工艺制作了针尖直径为3 nm、孔径直径为30 nm的光纤探针，并对显微镜的系统功能进行了评估。Y.SASAKI得出了探头热效应的设计准则。(3)系统：UMAMAHESWARI测量生物样品，开发了水中探头位置的光学控制方法。KATAOKA开发了一种具有纳米尖端的介电球形探针，并对其性能进行了评估。川田分析了探针和样品之间的电磁相互作用，以估计计算和计算时间的准确性。A.SASAKI开发了一种扫描系统，可以补偿驱动器平移和扫描的非线性。(4)应用：IRIE提出了光子模式的高密度光存储，开发了高灵敏度的光致变色材料。UMEDA开发了利用原子力和隧道电流的高精度近场光学显微镜。OKASAKI和FUJIHIRA分别开发了用于荧光检测和光谱学的显微镜，以应用于生物学。YANAGIDA通过平面倏逝场激发，实现了对附着在生物样品上的单个染料分子的成像和纳米操作。

Members of this project was organized to four groups for effective collaboration. The first fiscal year was spent for preparing theoretical and experimental works. Intensive discussions were made. Based on these, the following results were obtained in the second year.(1) Theory : AGU obtained an analytical solution of the orthogonal relation between the evanescent modes in a dispersive medium. KITANO measured the near-field intensity distribution by utilizing microwave, and evaluated the contribution of conical probe. HORI measured a large momentum of evanescent photon by using a Doppler-free laser spectroscopy. YOSHIDA developed a standard near-field optical microscope for comparison with theory.(2) Probe : OHTSU fabricated a fiber probe with 3 nm tip diameter and 30 nm aperture diameter by a selective chemical etching process, and estimated the system function of the microscope. Y.SASAKI obtained a desigh criterion of thermal effect of the probe.(3) System : UMAMAHESWARI measured biological sample, and developed an optical control method of probe position in water. KATAOKA has developed a dielectric spherical probe with a nanometric tip, and evaluated its performances. KAWATA analyzed the electromagnetic interaction between a probe and a sample in order to estimate the accuracy of calculation and computation time. A.SASAKI developed a scanning system which can compensate for the nonlinearity oftranslation and scanning of the actuator.(4) Application : IRIE proposed a photon-mode high density optical storage and developed highly sensitive photochromic materials. UMEDA developed a high precision near-field optical microscope utilizing atomic force and tunneling current. OKASAKI and FUJIHIRA developed microscopes for fluorescence detection and spectroscopy, respectively, for application to biology. YANAGIDA realized imaging and nano-manipulation of a single dye molecule attached to biological sample by exciting with a planar evanescent field.