Apparatus for carrying out polarization resolved raman spectroscopy

Ilchenko Oleksii (Inventor), Anja Boisen (Inventor), Slipets Roman (Inventor)

Research output: Patent

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Abstract

An apparatus for carrying out polarization resolved Raman spectroscopy on a sample (15), in particular a crystalline sample, comprises: at least one light source (11), in particular at least one laser, for providing excitation radiation to a sample (15), a spectrograph (31) for dividing light from the sample (15), in particular Raman scattered light from the sample (15), into at least one spectrum of spatially separated wavelength components and for directing at least a portion of the at least one spectrum to a detector (29), in particular a CCD detector, a polarization state control element (27) for the light from the sample(15), the polarization state control element (27) being arranged in a light path of at least one light beam (25) traveling from the sample (15) towards the detector (29), and the polarization state control element (27) comprising at least one polarization sensitive optical element (45, 47), in particular a Wollaston prism, the at least one polarization sensitive optical element being adapted to split the at least one light beam (25) into at least two, in particular orthogonally, polarized light beams (35a, 35b, 37a, 37b).

Original languageEnglish
IPCG01J 3/ 447 A I
Patent numberWO2020011560
Filing date28/06/2019
CountryInternational Bureau of the World Intellectual Property Organization (WIPO)
Priority date13/07/2018
Priority numberEP20180183474
Publication statusPublished - 16 Jan 2020

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