Optical properties of gold nanoparticles at laser radiation wavelengths for laser applications in nanotechnology and medicine

✍ Scribed by V. K. Pustovalov; V. A. Babenko

• Publisher: John Wiley and Sons
• Year: 2004
• Tongue: English
• Weight: 275 KB
• Volume: 1
• Category: Article
• ISSN: 1612-2011
• DOI: 10.1002/lapl.200410111

✦ Synopsis

Investigations of laser interaction with metal (gold)
nanoparticles is of a great interest for laser applications in
nanotechnology, engineering, and medicine. The first problem of
laser interaction is to determine the optical properties of metal
nanoparticles, that determines following photophysical and
photochemical processes. The calculation of efficiency factors of
absorption, scattering and extinction for spherical gold
nanoparticles with radiuses in the range 5-100 nm and for some
laser wavelengths is performed. The estimation of absorbed laser
radiation energy by gold nanoparticles, their maximal temperatures
and comparison with experimental data is made. The importance of
the use of correct values of optical parameters of nanoparticles
is demonstrated.