Nonlinear absorption, scattering and optical limiting studies of CdS nanoparticles
N. VenkatramSchool of Physics, University of Hyderabad, Hyderabad- 500 046, IndiaD. Narayana RaoSchool of Physics, University of Hyderabad, Hyderabad- 500 046, IndiaM.A. AkundiSchool of Physics, University of Hyderabad, Hyderabad- 500 046, India
2005en
ABI
Аннотация
The nonlinear optical absorption, scattering and optical limiting properties of CdS nanoparticles dispersed in dimethylformamide (DMF) are investigated. The nanoparticles are synthesized using the standard chemical synthesis method with thioglycerol as the capping agent. The investigations are carried out at 532 nm in the ns regime. Strong two-photon absorption and nonlinear scattering are found to be responsible for good optical limiting characteristics in these nanoparticles.
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