Calculation of the extinction cross section and lifetime of a gold nanoparticle using FDTD simulations

Journal Article · Wed Oct 15 00:00:00 EDT 2014 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.4898219· OSTI ID:22308036

Radhakrishnan, Archana ^[1]

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1. B.Tech, Engineering Physics, National Institute Of Technology, Calicut (India)

The electromagnetic theory of light explains the behavior of light in most of the domains quite accurately. The problem arises when the exact solution of the Maxwell's equation is not present, in case of objects with arbitrary geometry. To find the extinction cross-section and lifetime of the gold nanoparticle, the software FDTD solutions 8.6 by Lumerical is employed. The extinction cross-sections and lifetimes of Gold nanospheres of different sizes and arrangements are studied using pulse lengths of the order of femtoseconds. The decay constant and other properties are compared. Further, the lifetimes are calculated using frequency and time domain calculations.

• OSTI ID: 22308036
• Journal Information: AIP Conference Proceedings, Vol. 1620, Issue 1; Conference: Optics 14: International conference on optics: Light and its interactions with matter, Calicut, Kerala (India), 19-21 Mar 2014; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
COMPARATIVE EVALUATIONS
COMPUTERIZED SIMULATION
CROSS SECTIONS
EXACT SOLUTIONS
FINITE DIFFERENCE METHOD
GOLD
LIFETIME
MAXWELL EQUATIONS
NANOPARTICLES
VISIBLE RADIATION