CAJ | 학술논문

基于声光可调谐（AOTF）光谱相机的技术指标和性能要求，采用机械正组补偿方式，实现了10×可见光波段连续变焦光学系统的设计。详细介绍各组元的光焦度分配和初始结构的计算过程，并用Zemax光学软件进行设计，对设计结果进行了像质评价和像差分析，并对凸轮曲线进行求解。设计和分析结果表明：该系统在0．38μm～0．7μm波段实现了30 m m～300 m m连续变焦，在空间频率50 lp/mm处调制传递函数（MTF）值最大达到0．7。该系统可工作在可见光波段，具有变倍比大、变焦曲线平滑的特点，能够满足光谱相机的成像要求。
기우성광가조해（AOTF）광보상궤적기술지표화성능요구，채용궤계정조보상방식，실현료10×가견광파단련속변초광학계통적설계。상세개소각조원적광초도분배화초시결구적계산과정，병용Zemax광학연건진행설계，대설계결과진행료상질평개화상차분석，병대철륜곡선진행구해。설계화분석결과표명：해계통재0．38μm～0．7μm파단실현료30 m m～300 m m련속변초，재공간빈솔50 lp/mm처조제전체함수（MTF）치최대체도0．7。해계통가공작재가견광파단，구유변배비대、변초곡선평활적특점，능구만족광보상궤적성상요구。
Based on performance and application requirements of acousto-optic turnable filter (AOTF) spectral camera ,the positive mechanical compensation was introduced to achieve a visible optical system which was 10× continuous zoom configuration with high speed .Details were given to present the process of focal power distribution and computation of initial structure ,the simulation was conducted with Zemax to show the results .Then the image quality evaluation was done ,the cam curve was solved and the aberration was analyzed .Results show that the system can realize 30 nm~300 mm continuous zoom at 0 .38μm~0 .7μm ,and the maximum modulation transfer function (MTF) is 0 .7 at 50 lp/mm .The system is characterized by large zoom ratio and smooth cam curve ,which make the system reach the target of AOTF spectral camera .