Abstract
The structure and fundamental principle of DMD dynamic infrared scene projection system is described, and the projection optics system is designed. This projection system uses refraction model, it collimates the infrared light output from digital mirror device in 3-5 μm and 8-12 μm, and enables an image system to be tested out of 1.3° field of view. The effective focal length of this F/3.2 system is about 480 mm. The result of this design is analyzed, and the Modulation Transfer Function (MTF) for five-field position in 3-5 μm and 8-12 μm show the better performance of the optical system.
| Original language | English |
|---|---|
| Pages (from-to) | 838-840 |
| Number of pages | 3 |
| Journal | Harbin Gongye Daxue Xuebao/Journal of Harbin Institute of Technology |
| Volume | 39 |
| Issue number | 5 |
| State | Published - May 2007 |
| Externally published | Yes |
Keywords
- Digital mirror device
- IR scene projection
- Optical design
- Projection system
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