Linear and nonlinear optical properties of dendrimer-based nanoclusters

Manas R. Parida; C. Vijayan

doi:10.1117/12.858820

18 August 2010 Linear and nonlinear optical properties of dendrimer-based nanoclusters

Manas R. Parida, C. Vijayan

Proceedings Volume 7774, Linear and Nonlinear Optics of Organic Materials X; 77740U (2010) https://doi.org/10.1117/12.858820
Event: SPIE Photonic Devices + Applications, 2010, San Diego, California, United States

Abstract

Dendrimers have recently been shown to be excellent templates for synthesizing nanoparticles in view of their unique structural features. The present study, we report on nonlinear absorption and optical limiting properties of dendrimer-embedded silver nanoclusters and their linear and nonlinear optical (NLO) properties. Optical absorption spectroscopy reveals prominent plasmon peaks indicating quantum confinement. Z-scan experiments using pulsed laser excitation within the tail region of Plasmon absorption in the nanosecond regimes reveal evidence of strong nonlinear absorption involving two photo absorption followed by saturation absorption. The third ordered susceptibility (χ⁽³⁾) measured using four wave degenarated four wave mixing tecnquie (FWDM).

Citation Download Citation

Manas R. Parida and C. Vijayan "Linear and nonlinear optical properties of dendrimer-based nanoclusters", Proc. SPIE 7774, Linear and Nonlinear Optics of Organic Materials X, 77740U (18 August 2010); https://doi.org/10.1117/12.858820

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