Journal
MATERIALS
Volume 15, Issue 14, Pages -Publisher
MDPI
DOI: 10.3390/ma15145008
Keywords
time-resolved Z-scan; thermal lens; Z-scan; linear absorption; scattering efficiency
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The thermal lens effect is analyzed as a time-resolved Z-scan measurement using cw-single Gaussian beam configuration. The main characteristics of the measurement method are determined. The evaluation of the measurement error, linearity of the response, and extraction of thermo-optical characteristics of absorbing liquids are also discussed. The results demonstrate the feasibility of determining absorption and scattering efficiencies on gold nanoparticles.
The thermal lens effect is analyzed as a time-resolved Z-scan measurement using cw-single Gaussian beam configuration. The main characteristics of the measurement method are determined. We focus on the evaluation of the measurement error from statistical calculations to also check the linearity of the response and the way to extract the thermo-optical characteristics of absorbing liquids. The results are also applied to demonstrate the feasibility of absorption and scattering efficiencies determination on gold nanoparticles of 5 and 50 nm diameters.
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