Signal Properties of Optical Coherence Tomography from Turbid Medium Doped by Gold Nano-particle

Abstract

The signal properties of gold nanorods as a contrast agent of spectroscopic optical coherence tomography system is studied and evaluated. The absorption and scattering characteristics of nanoparticles were studied by comparison with standard particles. Besides absorption, gold nanoparticles also have some scattering effects. The signal to noise ratio of coherent signal is also evaluated as an important index. The combination of GNRs and other image agents for dual or multi-modality imaging is promising for small scale and high precision imaging.