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CPC - G01N - 15.04.2013 - page 66G01N 2021/398 . . . . . . CO2 laserG01N 2021/399 . . . . . . Diode laserG01N 2021/41 . . RefractivityPhase-affecting properties, e.g. optical path length ( G01N 21/21 takes precedence)G01N 2021/4106 . . . Atmospheric distortionTurbulenceG01N 2021/4113 . . . . Atmospheric dispersionG01N 2021/4126 . . . Index of thin filmsG01N 2021/4133 . . . { Refractometers, e.g. differential }G01N 2021/414 . . . . Correcting temperature effect in refractometersG01N 2021/4146 . . . . Differential cell arrangementsG01N 2021/4153 . . . . Measuring the deflection of light in refractometersG01N 2021/416 . . . Visualising flow by index measurementG01N 2021/4166 . . . Methods effecting a waveguide mode enhancement through the property beingmeasuredG01N 2021/4173 . . . Phase distributionG01N 2021/418 . . . . Frequency/phase diagramsG01N 2021/4186 . . . . Phase modulation imagingG01N 2021/4193 . . . . using a PSDG01N 2021/43 . . . by measuring critical angleG01N 2021/431 . . . . { Dip refractometers, e.g. using optical fibres }G01N 2021/432 . . . . . comprising optical fibresG01N 2021/433 . . . . . . with an unclad part on the fibreG01N 2021/434 . . . . Dipping block in contact with sample, e.g. prismG01N 2021/435 . . . . Sensing drops on the contact surfaceG01N 2021/436 . . . . Sensing resonant reflectionG01N 2021/437 . . . . . with investigation of angleG01N 2021/438 . . . . . with investigation of wavelengthG01N 2021/45 . . . using interferometric methodsusing Schlieren methodsG01N 2021/451 . . . . for determining the optical absorptionG01N 2021/456 . . . . Moire deflectometryG01N 2021/458 . . . . using interferential sensor, e.g. sensor fibre, possibly on optical waveguideG01N 2021/47 . . Scattering, i.e. diffuse reflection ( G01N 21/25 , G01N 21/41 take precedence ) {G01N 21/55 takes precedence }G01N 2021/4702 . . . Global scatterTotal scatter, excluding reflectionsG01N 2021/4704 . . . Angular selectiveG01N 2021/4707 . . . . Forward scatterLow angle scatterG01N 2021/4709 . . . . BackscatterG01N 2021/4711 . . . . Multiangle measurementG01N 2021/4714 . . . . . Continuous plural angles