School of Chemistry and Chemical Engineering;
Southwest University;
Chongqing 400715;
China School of Chemistry and Chemical Engineering;
Southwest University;
Chongqing 400715;
China School of Chemistry and Chemical Engineering;
Southwest University;
Chongqing 400715;
China;
amikacin; congo; red; resonance; Rayleigh; scattering; second-order; scattering; frenquency; doubling; scattering; resonance; non-linear; scattering.;