Optical fabrications of ordered polystyrene particles using radiation pressure and self-organization

Toshiaki Iwai; Katsuhiro Ishii; Kuon Inoue

doi:10.1117/12.447096

30 October 2001 Optical fabrications of ordered polystyrene particles using radiation pressure and self-organization

Toshiaki Iwai, Katsuhiro Ishii, Kuon Inoue

Proceedings Volume 4598, Photonics Technology in the 21st Century; (2001) https://doi.org/10.1117/12.447096
Event: International Symposium on Photonics and Applications, 2001, Singapore, Singapore

Abstract

The colloidal crystallization of fine particles is a phenomenon of great interest in connection with the fabrication of photonic crystals. In this report, a new fabrication method is proposed, which is based on self- arrangement and self-assembly of particles generated under the radiation pressure of a focused laser beam, i.e., gradient and scattering forces, and capillary force occurred during the desiccation process, respectively. The hexagonal structure in the Fourier-transformed patterns of 2D colloidal crystals shows that a triangular lattice structure is successfully fabricated by the proposed method. This report is concerned with the principle of newly proposed method, capturing and self-arranging particles by the radiation pressure, self-assembling particles by the capillary force, enlarging the colloidal crystal, and verifying the production of the triangular lattice structure in the crystal of particles.

Citation Download Citation

Toshiaki Iwai, Katsuhiro Ishii, and Kuon Inoue "Optical fabrications of ordered polystyrene particles using radiation pressure and self-organization", Proc. SPIE 4598, Photonics Technology in the 21st Century, (30 October 2001); https://doi.org/10.1117/12.447096

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