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| 论文题目： |
A wide-FoV athermalized infrared imaging system with a two-element lens |
| 第一作者： |
Feng B(冯斌);Shi ZL(史泽林);Zhao YH(赵耀宏);Liu HZ(刘海峥);Liu, Li |
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| 发表刊物： |
Infrared Physics and Technology |
| 发表年度： |
2017 |
| 卷,期,页： |
87,,11-21 |
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| 论文摘要： |
For infrared imaging systems to achieve wide field of view (FoV), wide operating temperature and low weight, this work designs a wide-FoV athermalized infrared imaging system (AIIS) with a two-element lens. Its principle, design, manufacture, measurement and performance validation are successively discussed. The two-element lens contains four surfaces, where three aspheric surfaces are introduced to reduce optical off-axis aberrations and a cubic surface is introduced to achieve athermalization. The key coding mask containing an aspheric surface and a cubic surface is manufactured by nano-metric machining of ion implanted material (NiIM). Experimental results validate that our wide-FoV wavefront coding AIIS has a full FoV of 26.10° and an operating temperature over –20 °C to +70 °C. |
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