公开(公告)号：US20190204159A1

公开(公告)日：2019-07-04

申请号：US16295143

申请日：2019-03-07

Applicant: The University of Sheffield

Inventor： Jonathan Raffe Willmott

IPC: G01J5/28 ,  G02B26/08 ,  G02B26/10 ,  G01J5/08 ,  H04N5/33

CPC classification number: G01J5/28 ,  G01J5/0809 ,  G01J2005/0077 ,  G02B26/0833 ,  G02B26/101 ,  H04N5/33

Abstract: A thermal imaging device is provided, comprising: a detector for receiving radiation and outputting a detector signal corresponding thereto; a steerable mirror device arranged in relation to the detector; wherein the steerable mirror device is steerable to scan an entrance pupil over a plurality of locations such that the detector outputs respective detector signals indicative of temperatures of respective portions of the object corresponding to the locations of the entrance pupil, and wherein the thermal imaging device is configured to provide a substantially constant etendue for all of the entrance pupil locations of the plurality of entrance pupil locations.