Fine tuning of a photonic band-gap with picosecond laser pulses

Research output: Contribution to conferenceOther

Abstract

We report on light-driven tuning of the optical properties of colloidal photonic crystals (polystyrene opals) doped with gold nanoparticles (Au-np). Using picosecond pulses at 532 nm we obtained permanent changes in the stop band around 1700 nm, withresonance blue shifts as large as 30 nm.
Original languageEnglish
Number of pages2
Publication statusPublished - 2008

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