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Bimorph deformable mirror based adaptive optics scanning laser ophthalmoscope for retina imaging in vivo 被引量:4
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作者 王媛媛 何益 +4 位作者 魏凌 李喜琪 杨金生 周虹 张雨东 《Chinese Optics Letters》 SCIE EI CAS CSCD 2017年第12期43-47,共5页
A bimorph deformable mirror (DM) with a large stroke of more than 30 μm using 35 actuators is presented and characterized for an adaptive optics (AO) confocal scanning laser ophthalmoscope application. Facilitate... A bimorph deformable mirror (DM) with a large stroke of more than 30 μm using 35 actuators is presented and characterized for an adaptive optics (AO) confocal scanning laser ophthalmoscope application. Facilitated with a Shack-Hartmann wavefront sensor, the bimorph DM-based AO operates closed-loop AO corrections for hu- man eyes and reduces wavefront aberrations in most eyes to below 0.1 μm rms. Results from living eyes, including one exhibiting ~5D of myopia and ~2D of astigmatism along with notable high-order aberrations, reveal a prac- tical efficient aberration correction and demonstrate a great benefit for retina imaging, including improving resolution, increasing brightness, and enhancing the contrast of images. 展开更多
关键词 Bimorph deformable mirror based adaptive optics scanning laser ophthalmoscope for retina imaging in vivo DM AO
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