电光与控制
電光與控製
전광여공제
ELECTRONICS OPTICS & CONTROL
2014年
2期
65-68
,共4页
孙露露%刘春华%张鹏%潘枝峰%陈建发
孫露露%劉春華%張鵬%潘枝峰%陳建髮
손로로%류춘화%장붕%반지봉%진건발
像方扫描%红外成像制导%光学系统设计%像质评价
像方掃描%紅外成像製導%光學繫統設計%像質評價
상방소묘%홍외성상제도%광학계통설계%상질평개
image space scanning%infrared imaging guidance%optical system design%image evaluation
提出了一种新型的像方扫描机制的红外成像制导光学系统设计构型。该扫描系统体积小、结构简单，具有大视场搜索和小视场分辨的特点。设计了一个红外光学系统实例，工作波段为3．7～4．8μm，焦距为80 mm，扫描视场为±15°，瞬时视场为5°。系统全视场MTF在17 lp/mm处均大于0．5，点斑均方根直径小于30μm，满足光学系统的成像要求。
提齣瞭一種新型的像方掃描機製的紅外成像製導光學繫統設計構型。該掃描繫統體積小、結構簡單，具有大視場搜索和小視場分辨的特點。設計瞭一箇紅外光學繫統實例，工作波段為3．7～4．8μm，焦距為80 mm，掃描視場為±15°，瞬時視場為5°。繫統全視場MTF在17 lp/mm處均大于0．5，點斑均方根直徑小于30μm，滿足光學繫統的成像要求。
제출료일충신형적상방소묘궤제적홍외성상제도광학계통설계구형。해소묘계통체적소、결구간단，구유대시장수색화소시장분변적특점。설계료일개홍외광학계통실례，공작파단위3．7～4．8μm，초거위80 mm，소묘시장위±15°，순시시장위5°。계통전시장MTF재17 lp/mm처균대우0．5，점반균방근직경소우30μm，만족광학계통적성상요구。
A new kind of infrared optical system for imaging guidance of image space scanning is described .The scanning system has the advantages of small size and simple structure,wide FOV for searching and narrow FOV for distinguishing .An infrared optical system was designed .The system has an operating waveband of 3.7~4.8 μm,an effective focal length of 80 mm,the total scanning FOV of ±15° and instantaneous FOV of 5°.The MTF is higher than 0.5 at the spatial frequency of 17 lp/mm across the full FOV.The RMS spot diameter is less than 30 μm.The specifications can meet the requirements of the optical systems .
