| 摘要 |
PROBLEM TO BE SOLVED: To increase propagation distance of plasmon polariton while narrowing beam diameter. SOLUTION: An optical waveguide in which a thin film waveguide pattern 22 made of a negative dielectric constant material is formed on a substrate 10 to propagate the plasmon polariton. The thin film waveguide pattern consists of a wide width strip structure section 24 and a narrow width projecting section 26 which is integrally formed on the wide width stripe structure section 24. Consequently, the plasmon polariton being propagated is concentrated onto the narrow width projecting section. COPYRIGHT: (C)2005,JPO&NCIPI |
