Publication

Local infiltration of planar photonic crystals with UV-curable polymers

Romuald Houdré, Libero Zuppiroli, Rolando Ferrini, Laurent Balet, Pascale El-Kallassi
2008
Journal Articles

Abstract

We present the local polymer infiltration of planar photonic crystal cavities via a maskless laser-writing technique. After the infiltration of the air holes with a UV-curable monomer a focused laser is used to locally polymerize the monomer in selected holes at the cavity boundaries. We show that cavity modes with different symmetries can be differently tuned depending on the size and the position of the infiltrated region around the cavity.

Official source

https://infoscience.epfl.ch/entities/publication/0386dc7b-8d5c-41ad-915f-3fbf1dd50de2

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Romuald Houdré, Libero Zuppiroli, Rolando Ferrini, Laurent Balet, Pascale El-Kallassi
2008
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/0386dc7b-8d5c-41ad-915f-3fbf1dd50de2

About this result

Related concepts (18)

Monomer

In chemistry, a monomer (ˈmɒnəmər ; mono-, "one" + -mer, "part") is a molecule that can react together with other monomer molecules to form a larger polymer chain or three-dimensional network in a process called polymerization. Monomers can be classified in many ways. They can be subdivided into two classes, depending on the kind of the polymer that they form. Monomers that participate in condensation polymerization have a different stoichiometry than monomers that participate in addition polymerization: Other classifications include: natural vs synthetic monomers, e.

Photonic crystal

A photonic crystal is an optical nanostructure in which the refractive index changes periodically. This affects the propagation of light in the same way that the structure of natural crystals gives rise to X-ray diffraction and that the atomic lattices (crystal structure) of semiconductors affect their conductivity of electrons. Photonic crystals occur in nature in the form of structural coloration and animal reflectors, and, as artificially produced, promise to be useful in a range of applications.

Comonomer

In polymer chemistry, a comonomer refers to a polymerizable precursor to a copolymer aside from the principal monomer. In some cases, only small amounts of a comonomer are employed, in other cases substantial amounts of comonomers are used. Furthermore, in some cases, the comonomers are statistically incorporated within the polymer chain, whereas in other cases, they aggregate. The distribution of comonomers is referred to as the "blockiness" of a copolymer. 1-Octene, 1-hexene, and 1-butene are used comonomers in the manufacture of polyethylenes.

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