標題: Hybrid lens design for ultrawide-angle imaging with a high Strehl ratio in a folded system
作者: Chang, Yu-Shan
Hsu, Long
Huang, Kuang-Lung
電子物理學系
Department of Electrophysics
公開日期: 1-七月-2018
摘要: When UV-curable material is used with a spherical glass lens, it is classified as a hybrid lens and can provide a new degree of freedom in designing a lens system. This method is used to explore the optical limitation of an ultrawide-angle imaging system of a folded structure, which is utilized to achieve a compact volume. The f-number and field of view of the system are 2.0 and 190 degrees, respectively. Diffraction-limited performance is achieved within a field of view of 80 degrees with Strehl ratios greater than approximately 80%. Even at the maximum field of view of 190 degrees, the Strehl ratio is nearly 75%. The lens configuration is NNPNN, where N and P denote negative and positive optical power, respectively; this configuration uses only two aspherical hybrid lens surfaces. Comparisons of different optimizations are also provided. (C) 2018 Optical Society of America
URI: http://dx.doi.org/10.1364/AO.57.005514
http://hdl.handle.net/11536/145216
ISSN: 1559-128X
DOI: 10.1364/AO.57.005514
期刊: APPLIED OPTICS
Volume: 57
起始頁: 5514
結束頁: 5522
顯示於類別:期刊論文