Systems in which incident light is modified in accordance with the properties of the material investigated

Full Title

Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light > Systems in which incident light is modified in accordance with the properties of the material investigated

Classification Context

Section:

PHYSICS

Class:

MEASURING; TESTING

Subclass:

INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES

Child Classifications

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• G01N 21/19 Dichroism
• G01N 21/21 Polarisation-affecting properties
• G01N 21/25 Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
• G01N 21/41 Refractivity; Phase-affecting properties, e.g. optical path length
• G01N 21/47 Scattering, i.e. diffuse reflection
• G01N 21/55 Specular reflectivity
• G01N 21/59 Transmissivity