Optically induced self-growing of fiber structure in a photopolymerizable resin

Satoru Shoji; Satoshi Kawata

doi:10.1117/12.347841

7 May 1999 Optically induced self-growing of fiber structure in a photopolymerizable resin

Satoru Shoji, Satoshi Kawata

Proceedings Volume 3740, Optical Engineering for Sensing and Nanotechnology (ICOSN '99); (1999) https://doi.org/10.1117/12.347841
Event: Optical Engineering for Sensing and Nanotechnology (ICOSN '99), 1999, Yokohama, Japan

Abstract

We present evidence of optically-induced growth of fiber patterns into a photopolymerizable resin. Optical growth of a single or multiple fibers is achieved by focusing a laser light into the photopolymerizable resin used. The fiber growth is due to an effect in which photopolymerization of the resin upon light irradiation produces an increase of the resin refractive index, the change of which, in turn, confines the light propagation into waveguide-type fiber structures. We have also observed that two optically grown independent fibers can merge to form a single fiber under specific conditions. We have studied the dependence of this optical growth of fiber structures phenomena on all the experimental parameters, including the numerical aperture (N.A.) of the lens used to focus the light, the light power, and the exposure time.

Citation Download Citation

Satoru Shoji and Satoshi Kawata "Optically induced self-growing of fiber structure in a photopolymerizable resin", Proc. SPIE 3740, Optical Engineering for Sensing and Nanotechnology (ICOSN '99), (7 May 1999); https://doi.org/10.1117/12.347841

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