Refractive index interferometer type

The interferometric sensor platform is highly sensitive and is the only one that provides an internal reference for compensation of refractive-index fluctuations and unspecific adsorption. Interferometric sensors have a broader dynamic range than most other types of sensors and show higher sensitivity as compared to other integrated optical biosensors . Due to the high sensitivity of the interferometer sensor the direct detection of small... 

A third type of refractometer (Optilab Ltd) operates as an interferometer and utilizes a laser as the source of light (see Figure 2.6). A difference in refractive index between the sample and reference cells produces a difference in the optical path length which is measured by the interferometer. This type of... 

In order to determine molecular weight by light scattering, the refractive index Hq of the solvent and the refractive index increment dn/dc) for the solution at a constant temperature must be known. The former is readily measured with a simple laboratory refractometer such as the Abbe type. Determination of dnjdc) of the solution with high accuracy can be achieved by using two types of refractometers divided-cell differential refractometers and interferometers. 

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