Rayleigh scattering spectroscopy non-resonance Rayleigh scattering spectroscopy non-resonance Rayleigh scattering non-resonance Rayleigh scattering spectrometry non-resonant Rayleigh scattering CHMO:0000172 A method for determining structure by measuring the change in direction or energy of Rayleigh scattered visible light, where the wavelength of the incident light does not correspond to any absorption bands in the scattering molecules. off-resonance Rayleigh scattering