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7385695 |
Polarimetry
The present invention relates to an assembly and method for measuring the optical activity of a stimulus of interest. The assembly comprises a source of incident electromagnetic radiation ( 1 ), a...
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7245379 |
Device and method for investigating analytes in liquid suspension or solution
An optical detection device is provided for analysing analytes in a liquid suspension or solution that can detect and process a large number of wavelengths of incident and fluorescent light...
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7184135 |
Refractometer with blazed bragg gratings
A refractometer with blazed Bragg gratings. In order to measure the refractive index of a medium, for example a liquid or a gas, the refractometer includes a waveguide having a blazed Bragg...
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6911803 |
Systems and methods for evaluating a charge state of a battery based on optical properties of the battery electrolyte material
System and methods for evaluating a charge state of a battery are provided. A light source is configured for emitting light through an electrolyte contained within the battery. An optical element...
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EP1238264B1 |
REFRACTOMETER WITH BLAZED BRAGG GRATINGS
Abstract not available for EP1238264 Abstract of corresponding document: FR2814810 Bragg refractometer with blazed grating lines is used to measure the refractive index of a gaseous or liquid...
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6809828 |
Universal detector for biological and chemical separations or assays using plastic microfluidic devices
An on-chip interferometric backscatter detector (OCIBD) makes use of plastic substrates in which a rectangular sample channel is formed. While any plastic material can be used to form the channel...
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EP1210581A1 |
INTERFEROMETRIC DETECTION SYSTEM AND METHOD
Abstract not available for EP1210581
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6381025 |
Interferometric detection system and method
An optical detection scheme for on-chip, high sensitivity refractive index detection is based on micro-interferometry, and allows for picoliter detection volumes and universal analyte sensitivity....
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EP1182445A2 |
Integrated optic interferometric sensor
An apparatus for sensing a property of the environment to which the apparatus is exposed, comprising: a) means for generating a beam of coherent radiation; b) a planar construct; c) means for...
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6130439 |
Instrument for measuring the refractive index of a fluid
The invention concerns in particular, an instrument for measuring the refractive index of a fluid, particularly seawater. Its object is more specifically an instrument for measuring the refractive...
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5541730 |
Interferometric measuring apparatus for making absolute measurements of distance or refractive index
An absolute interferometer has part of the beam paths making up its measuring and reference arms formed in a waveguide, and part formed in air. The part formed in the waveguide are common mode so...
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5483344 |
Process and apparatus for performing differential refractive index measurements using interference of modulated light beams passing through reference and test samples
The invention relates to the measurement of the difference between refractive indexes of two media, traversed by a light beam the beams produce an interference figure consisting of fringes having a...
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5323229 |
Measurement system using optical coherence shifting interferometry
A coherence shifting interferometry system determines the thickness or refractive index of an optically transmissive medium. The system utilizes an optical energy source for generating a source...
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5262842 |
Optical sensor having a wave guide substrate with interferometer integrated therein
A sensor for detecting substances including hydrocarbons includes an integrated optical interferometer in the form of a Mach-Zehnder interferometer having a measuring arm and a comparison arm in a...
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