Two-photon-induced polymerization in a laser gain medium for optical microstructure

S. Yokoyama; T. Nakahama; H. Miki; S. Mashiko

doi:10.1117/12.616083

18 August 2005 Two-photon-induced polymerization in a laser gain medium for optical microstructure

S. Yokoyama, T. Nakahama, H. Miki, S. Mashiko

Proceedings Volume 5934, Nonlinear Optical Transmission and Multiphoton Processes in Organics III; 593403 (2005) https://doi.org/10.1117/12.616083
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

We have fabricated a polymer solid-state microcavity in the laser gain media by two-photon-induced polymerization technique. The photopolymerization resin contains conventional laser-dye and dendrimer. A dendrimer can encapsulate the laser-dyes, limiting cluster formation and intermolecular energy transfer, and promising a high level of optical gain. The effect can be extended to prepare an optically active microstructure using the two-photon-induced polymerization technique. We fabricated a polymeric microcavity, which consisted of <400 nm-linewidth strips arranged in layer-by-layer structure. The periodic variation in the refractive index gave rise to Bragg reflection. A laser emission was measured in the microcavity under optical excitation. The spectral linewidth was about 0.1 nm above the lasing threshold. The laser emission is attributed both to the distributed Bragg reflection and to the high gain of a polymer medium containing laser-dye with a high concentration.

Citation Download Citation

S. Yokoyama, T. Nakahama, H. Miki, and S. Mashiko "Two-photon-induced polymerization in a laser gain medium for optical microstructure", Proc. SPIE 5934, Nonlinear Optical Transmission and Multiphoton Processes in Organics III, 593403 (18 August 2005); https://doi.org/10.1117/12.616083

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