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17 April 2020 Design of high-intensity dual-band medium-wave infrared radiation simulator
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Proceedings Volume 11455, Sixth Symposium on Novel Optoelectronic Detection Technology and Applications; 114558I (2020)
Event: Sixth Symposium on Novel Photoelectronic Detection Technology and Application, 2019, Beijing, China
As a key device to ensure that the aircraft is not destroyed by missiles, the missile warning system is gradually developing in the direction of multi-band, high sensitivity and global scope.In response to this trend, a dual-wavelength medium-wave infrared radiation simulation source was developed. The simulation source can achieve energy radiation with radiation intensity exceeding 1000 W / Sr in the two windows of the atmospheric window, 2 μm~3 μm and 3μm~ 5μm. The radiant energy in the two bands can be adjusted independently to achieve dual-band composite energy radiation.The dual-band mid-wave infrared radiation simulation source consists of a 2μm ~ 3μm radiation source, a 3μm~5μm radiation source, a louver assembly, and control components. The radiant energy of the two bands of 2μm~ 3μm and 3μm ~ 5μm is realized by two sets of radiation sources, and energy radiation of two bands is realized respectively.The radiation source is composed of a medium wave infrared light source, a collimating reticle, a band pass filter and the like.The collimating reticle is a reflective light bowl structure that uses a metal parabolic mirror and a high reflectivity film layer on its inner layer to form an infinite target beam of a particular field of view. By optimizing the design and combination, the collimated beam has a radiation range of 2° × 2°. The opening and closing of the blinds can be as fast as 15ms. The opening and closing angle of the blinds can be programmed to simulate the radiation energy changes of the incoming missiles.Finally, the resolution of the radiation intensity in the range of 0~150 W/Sr is 0.3 W/Sr, and the resolution in the range of 150W/Sr~1000 W/Sr is 1.5 W/Sr
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Fei Xie, Lina Zhang, Guofeng Zheng, Baolin Du, and Peng Zhang "Design of high-intensity dual-band medium-wave infrared radiation simulator", Proc. SPIE 11455, Sixth Symposium on Novel Optoelectronic Detection Technology and Applications, 114558I (17 April 2020);


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