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Multi-band infrared imaging radiometer |
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| Institution: | 1. Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing, 210096, China;2. School of Engineering, University of Kent, Canterbury, Kent, CT2 7NT, UK;3. School of Electronic Science and Engineering, Nanjing University, Nanjing, 210093, China |
| Abstract: | A novel approach to multi-spectral thermal imaging using staring system has been developed. An original optical assembly has been designed set up and tested that allows to acquire simultaneously four images of the same target in different spectral bands using a single commercial IRFPA sensor and a single commercial focusing lens. The spectral and spatial separation of the four images is completely obtained by means of filters and refractive optics without any kind of scanning device or other moving part. The multi-spectral optic presented in this paper operates in the spectral region of middle infrared (3–5 μm). Spectral filters are used to select the appropriate bands of interest and they are easily interchangeable. |
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