System and method for detection of infrared object light

Christian Pedersen (Inventor), Peter Tidemand-Lichtenberg (Inventor), Saher Junaid (Inventor)

Research output: Patent

2 Downloads (Pure)

Abstract

The present disclosure relates to imaging of infrared light employing non-linear frequency upconversion and scanning of phase match condition to obtain a large field- of-view. Video frame rate direct detection of infrared object light can thereby be realized. One embodiment relates to a system for detection of infrared object light, the system comprising an non-linear medium configured for receiving 1) monochromatic infrared object light, and 2) seed light, and mixing the monochromatic infrared object light, and the seed light for frequency upconversion of the monochromatic infrared object light inside the non-linear medium, and a detector unit for imaging the upconverted object light, wherein system is configured to vary the phase match condition of the non-linear medium during image acquisition in the detector unit such that acquisition of one image in a sequence of images corresponds to image integration over a plurality of phase match conditions of the non-linear medium.

Original languageEnglish
IPCG01J 3/ 45 A I
Patent numberWO2020035596
Filing date16/08/2019
CountryInternational Bureau of the World Intellectual Property Organization (WIPO)
Priority date16/08/2018
Priority numberEP20180189247
Publication statusPublished - 20 Feb 2020

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