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We perform a set of experiments on photo-heating in tissues containing gold nanoshells (NSs) and nanorods (NRs). The temperature of tissues were measured with different amounts gold NSs and NRs under illumination of a continuous diode laser at 808 nm and power density from 20 to 62 W/cm$^{2}$. The temperature of the tissues injected gold nanoparticles increased to $66 \pm  4$^{\circ}$C for $2.1 \times 10^{8}$ NSs and  $73\pm  4$  $^{\circ}$C for gold $5.4 \times 10^{9}$ NRs after 10 min exposition at power density 35 W/cm$^{2}$. The control tissue without gold nanoparticles demonstrated a significantly lower temperature $40 \pm  4$ $^{\circ}$C in the same time of illumination. The temperature can be reached up to around 100$^{\circ}$C for tissue with both NSs and NRs at 62 W/cm$^{2}$ inrradiation for $7-10$ min.

The Light-to-heat Conversion of Gold Nanoshells and Nanorods in Tissues