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公开(公告)号：US20200209643A1
公开(公告)日：2020-07-02
申请号：US16634098
申请日：2018-07-23
Applicant: INSTITUT MINES TELECOM
Inventor： Kevin HEGGARTY , Julien LE MEUR
Abstract: The present invention relates to an optical device for generating a diffracted image on a support (S), said device comprising a diffractive optical element (5) arranged to diffract an optical beam, in order to generate a diffraction image. The device further comprises an optical power mirror (7.1; 7.2; 7.3; 7.4; 7.5), the mirror being placed with respect to the diffractive optical element so as to project the diffraction figure towards the support to obtain a magnified version of the diffracted image.
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