应用光学
應用光學
응용광학
JOURNAL OF APPLIED OPTICS
2015年
1期
24-27,28
,共5页
杨子建%胡博%张宣智%刘峰%闫磊
楊子建%鬍博%張宣智%劉峰%閆磊
양자건%호박%장선지%류봉%염뢰
光学设计%微光%宽波段%全景成像
光學設計%微光%寬波段%全景成像
광학설계%미광%관파단%전경성상
optical design%low-light-level%broadband%panoramic image
根据微光像增强器成像特性,设计了微光全景光学系统,采用反射式前组与透射式后组结构。重点阐述反射式前组的设计方法,并据此设计优化得到了性能优良的成像系统。该系统有效焦距2.43mm,工作波段0.4μm~0.9μm,有效工作 F数1.5,水平视场360°,垂直视场30°~100°。设计结果表明,系统全视场 f‐θ畸变小于6%,调制传递函数在24 lp/mm处大于0.3,系统指标满足成像要求。
根據微光像增彊器成像特性,設計瞭微光全景光學繫統,採用反射式前組與透射式後組結構。重點闡述反射式前組的設計方法,併據此設計優化得到瞭性能優良的成像繫統。該繫統有效焦距2.43mm,工作波段0.4μm~0.9μm,有效工作 F數1.5,水平視場360°,垂直視場30°~100°。設計結果錶明,繫統全視場 f‐θ畸變小于6%,調製傳遞函數在24 lp/mm處大于0.3,繫統指標滿足成像要求。
근거미광상증강기성상특성,설계료미광전경광학계통,채용반사식전조여투사식후조결구。중점천술반사식전조적설계방법,병거차설계우화득도료성능우량적성상계통。해계통유효초거2.43mm,공작파단0.4μm~0.9μm,유효공작 F수1.5,수평시장360°,수직시장30°~100°。설계결과표명,계통전시장 f‐θ기변소우6%,조제전체함수재24 lp/mm처대우0.3,계통지표만족성상요구。
According to the property of low‐light‐level (LLL ) imaging system ,the LLL pano‐ramic imaging system was designed ,which was made up of a reflection part and a transmission part .The basic theory for designing the reflection part was expounded ,and according to the theory ,a imaging system of good performance was designed and optimized .This system has a waveband of 0 .4 μm~ 0 .9 μm ,an effective focal length of 2 .43 mm ,a working F‐number of 1 .5 ,and a field of view of 30°~100° .Simulation results show that in the entire field of view , the distortion is less than 6% ,the value of the modulation transfer function (MTF) at 24 lp/mm is greater than 0 .3 .The system can meet the demands for imaging .