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Science 14 September 2001:
Vol. 293. no. 5537, p. 1955
DOI: 10.1126/science.293.5537.1955a
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Editors' Choice: Highlights of the recent literature

Light-induced polymerization of photosensitive polymers has already led to the possibility of fabricating intricate micrometer-sized three-dimensional (3D) structures. The real potential will now lie in forming optically active structures. Although postfabrication infiltration of a polymerized resin with fluorescent chromophores can render the structure optically active, doping efficiency tends to be rather low and the resulting optical properties poor.

Sun et al. describe a polymer resin uniformly doped with molecules of the fluorescent dye rhodamine, which can form fluorescent 3D structures. The flexibility offered by being able to tune polymer and dye properties should prove useful for integrating designed optical activity and a controlled fabrication process to produce miniature structures with specific functionality. -- ISO

Appl. Phys. Lett. 79, 1411 (2001).

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Science. ISSN 0036-8075 (print), 1095-9203 (online)