110 °C range athermalization of wavefront coding infrared imaging systems
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| 第一作者： |
Feng B(冯斌);Shi ZL(史泽林);Chang Z(常铮);Liu HZ(刘海峥);Zhao YH(赵耀宏) |
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| 发表年度： |
2017 |
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| 卷： |
85 |
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157-162 |
| 摘要： |
110 °C range athermalization is significant but difficult for designing infrared imaging systems. Our wavefront coding athermalized infrared imaging system adopts an optical phase mask with less manufacturing errors and a decoding method based on shrinkage function. The qualitative experiments prove that our wavefront coding athermalized infrared imaging system has three prominent merits: (1) working well over a temperature range of 110 °C; (2) extending the focal depth up to 15.2 times; (3) achieving a decoded image being approximate to its corresponding in-focus infrared image, with a mean structural similarity index (MSSIM) value greater than 0.85. |
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| 刊物名称： |
Infrared Physics and Technology |
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