Title :
Design of Miniature Camera Lens Including Diffractive Optical Elements
Author :
Yu Dengqun ; Cao Jianzhong ; Zhang Jian ; Yan Aqi ; Guo Huinan
Author_Institution :
Xi´an Inst. of Opt. Precision Mech., Xi´an, China
Abstract :
To meet the demand for miniature camera lens, in this paper, there designed a new type of miniature plastic lens, which is made up of three lenses. The second surface of the first lens is designed as a diffractive surface. The diffractive lens is used to eliminate aberration. There has investigated the primary aberration about the systems expressed by PWC. The function relation among Px, Wx, Cx, and the diffractive lens structure have been established. These three lens materials are ´PMMAO´, ´P-CARBO´ and ´PMMAO´. The F-number is 2. 4 and FOV is 50°. The overall length of this optical system is 6.52mm. The MTF at 250lp/mm is higher than 0. 3.
Keywords :
aberrations; optical elements; optical transfer function; photographic lenses; FOV; MTF; P-CARBO; PMMAO; PWC; aberration elimination; diffractive lens; diffractive optical elements; diffractive surface; miniature camera lens design; miniature plastic lens; modulation transfer function; Hybrid refractive-diffractive (HRD) system; Lens for mini camera; Optical design;
Conference_Titel :
Information Science and Engineering (ISISE), 2012 International Symposium on
Conference_Location :
Shanghai
Print_ISBN :
978-1-4673-5680-0
DOI :
10.1109/ISISE.2012.97
