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

6533b86efe1ef96bd12cc30a

RESEARCH PRODUCT

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

A Pasquazi V Amendola M Meneghetti M Cucini D Comoretto G. Assanto Salvatore Stivala

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description

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, with resonance blue shifts as large as 30 nm.

year	journal	country	edition	language
2008-01-01

http://hdl.handle.net/10447/49288

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