Refractive index based measurements

Henrik Schiøtt Sørensen (Inventor), Thomas Martini Jørgensen (Inventor)

Research output: Patent


In a method for performing a refractive index based measurement of a property of a fluid such as chemical composition or temperature, a chirp in the local spatial frequency of interference fringes of an interference pattern is reduced by mathematical manipulation of the recorded light intensity in the interference pattern or by the physical positioning and arrangement of a detector used for capturing the interference pattern.
Original languageEnglish
Patent numberWO2014147088
Filing date25/09/2014
CountryInternational Bureau of the World Intellectual Property Organization (WIPO)
Priority date21/03/2013
Priority numberEP20130160346
Publication statusPublished - 2014


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