Thermal diffusivity measurement of copper nanofluid using pulsed laser thermal lens techniqueR. Zamiri, B. Z. Azmi, M. Shahril Husin, G. Zamiri, H. A. Ahangar and Z. RizwanJ. Eur. Opt. Soc.-Rapid Publ., 7 (2012) 12022DOI: https://doi.org/10.2971/jeos.2012.12022