The Modulation Transfer Function Theory of Optical Imaging Systems

• Main Authors: Hao-Peng Chang, 張鎬鵬
• Other Authors: Psang-Dain Lin
• Format: Others
• Language: zh-TW
• Published: 2005
• Online Access: http://ndltd.ncl.edu.tw/handle/10793689464381058046

碩士 === 國立成功大學 === 機械工程學系碩博士班 === 93 === 　　The　purpose　of　this　paper　is　to　analysis　the　relationship　of　object　light, optical　system　and　image　by　Fourier optical.We　will　discuss　the　produce　of　Modulation　Transfer　Function,　and　derive　MTFmathematic　model　and　its　physical meaning. 　　MTF　is　an　important　norm　of　optical system　efficiency.　In　this　paper,　we　will explain　MTF　test　patterns　and　the　meaning of　MTF　graph,　and　use　several　mathematic theorems　to　describe　rays'　advance　and　the diffraction　condition　after　rays　through　optical　system.　In different　conditions, 　　measurement　and　count　of　MTF　are　different;we　will　discuss　that　in　this paper,　too. 　　In　this　paper,　we　will　use　pupil function　to　explain　how　MTF　produce　is　and　its　count　methods,　we　also　use ray　tracing　to　trace　rays　of　optical　system and　get　the　spot　diagram　of　image　plane.　We will　use　spot　diagram　to　count　line　spread　function,　then　we　can　get　the　MTF　of optical　system.