31 October 2016 A small deployable infrared diffractive membrane imaging system
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Diffractive membrane imaging can be widely used in infrared band due to its longer minimum linewidth and loose requirement of RMS to fabricate more easily and reduce production period and manufacturing cost than used in visible band. A deployable infrared diffractive membrane imaging system was designed, consisting of Φ200mm imaging aperture (actual aperture is Φ500mm) and deployable structure that supports the infrared membrane under tension. Its spectral band width is >1.2μm, field of view is >1°, and diffractive efficiency can be >60%. Stowed size is 150mm×150mm×400mm. Research result of this project can promote the application of diffractive membrane imaging in infrared band and provide an effective and feasible means for achieving extremely large optical primary mirror from compact, lightweight payload.
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Yue Zhang, Yue Zhang, Jiangao Jin, Jiangao Jin, Baohua Wang, Baohua Wang, Peng Wu, Peng Wu, Jianchao Jiao, Jianchao Jiao, Yun Su, Yun Su, } "A small deployable infrared diffractive membrane imaging system", Proc. SPIE 10022, Holography, Diffractive Optics, and Applications VII, 100220R (31 October 2016); doi: 10.1117/12.2246751; https://doi.org/10.1117/12.2246751

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