Graded-index colloidal photonic crystals and their versatile photonic applications

Jeong-Ho Park; Dong-Yu Kim

doi:10.1117/12.571911

29 December 2004 Graded-index colloidal photonic crystals and their versatile photonic applications

Jeong-Ho Park, Dong-Yu Kim

Proceedings Volume 5593, Nanosensing: Materials and Devices; (2004) https://doi.org/10.1117/12.571911
Event: Optics East, 2004, Philadelphia, Pennsylvania, United States

Abstract

A novel photonic crystal in which the refractive index of the interstitial void region in a colloidal crystal is gradually changed with respect to the specific direction of the crystal was proposed. This was achieved by infiltrating polymers using the interfacial-gel polymerization with high refractive index dopants. Therefore, the resulting colloidal photonic crystal has a gradually varying stop-band at different positions of the crystal when the incident light was normal to the [111] crystallographic axis. This structure could be a kind of tunable photonic crystals based on the positional variations. The optical properties and potentials for other photonic applications will be investigated.

Citation Download Citation

Jeong-Ho Park and Dong-Yu Kim "Graded-index colloidal photonic crystals and their versatile photonic applications", Proc. SPIE 5593, Nanosensing: Materials and Devices, (29 December 2004); https://doi.org/10.1117/12.571911

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