Femtosecond Z-scan and pump-probe measurements of silicon nano-clusters made by laser ablation and ion implantation

Document Type

Conference Proceeding

Publication Date

12-1-2001

Abstract

Nonlinear optical properties of silicon nanoclusters (NC) made by laser ablation and ion implantation were investigated using femtosecond Z-scan and pump-probe measurements. The investigation was carried out using amplified pulses at 50 kHz to reduce the thermal contribution to nonlinearity. The nonlinear susceptibility had the same magnitude at 810 nm as at 375 nm with a change in sign indicating long wavelength resonance. The nonlinearity was found to be dominated by nonlinear absorption due to the associated structural damage.

Identifier

0035657285 (Scopus)

Publication Title

Conference Proceedings Lasers and Electro Optics Society Annual Meeting LEOS

ISSN

10928081

First Page

788

Last Page

789

Volume

2

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