Abstract
There is presented an up-conversion infrared microscope (110) arranged for imaging an associated object (130), wherein the up-conversion infrared microscope (110) comprises a non-linear crystal (120) arranged for up-conversion of infrared electromagnetic radiation, and wherein an objective optical component (100) has an entrance pupil with a first diameter D1, and an optical component system which is arranged for forming an external image (136) of the back-focal plane (132) of the objective optical component (100), which has a diameter (given by the diameter of a circle enclosing all optical paths at the plane of the 10 external image) which is denominated D2 and wherein D1 is larger than a second diameter D2.
Original language | English |
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IPC | G02B21/00 |
Patent number | WO2014117782 |
Filing date | 07/08/2014 |
Country/Territory | International Bureau of the World Intellectual Property Organization (WIPO) |
Priority date | 31/01/2013 |
Priority number | EP20130153491 |
Publication status | Published - 2014 |