https://scholars.lib.ntu.edu.tw/handle/123456789/387024
標題: | Wide-angle and ultrathin camera module using a curved hexagonal microlens array and all spherical surfaces | 作者: | Liang, W.-L. GUO-DUNG JOHN SU |
公開日期: | 2014 | 卷: | 53 | 期: | 29 | 起(迄)頁: | H121-H128 | 來源出版物: | Applied Optics | 摘要: | In this paper, we propose a wide-angle and thin camera module integrating the principles of an insect's compound eye and the human eye, mimicking them with a curved hexagonal microlens array and a hemispherical lens, respectively. Compared to typical mobile phone cameras with more than four lenses and a limited full field of view (FFOV), the proposed system uses only two lenses to achieve a wide FFOV. Furthermore, the thickness of our proposed system is only 2.7 mm. It has an f-number of 2.07, an image diameter of 4.032 mm, and a diagonal FFOVof 136°. The results showed good image quality with a modulation transfer function above 0.3 at a Nyquist frequency of 166 cycles/mm. © 2014 Optical Society of America. |
URI: | http://www.scopus.com/inward/record.url?eid=2-s2.0-84942366004&partnerID=MN8TOARS http://scholars.lib.ntu.edu.tw/handle/123456789/387024 |
DOI: | 10.1364/AO.53.00H121 | SDG/關鍵字: | Microlenses; Optical instrument lenses; Camera modules; Compound eye; Field of views; Hemispherical lens; Hexagonal micro-lens arrays; Mobile phone cameras; Nyquist frequency; Spherical surface; Cameras |
顯示於: | 電機工程學系 |
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