设计要求:
半视角: 20°
半孔径:12.7mm
焦距:90mm
元件长度:约100mm
后焦距:50mm或更大
设计步骤
DSEARCH输入:
CORE 14
TIME
DSEARCH 1 QUIET
SYSTEM
ID DSEARCH SAMPLE
OBB 0 20 12.7 !物距无穷远,半视场角20°,半孔径12.7mm
WAVL 0.6563 0.5876 0.4861 !可见光波段
UNITS MM
END
GOALS
ELEMENTS 7
FNUM 3.54 !F/# 3.54
BACK 0 0
TOTL 100 0.1 !元件总长100mm
STOP MIDDLE
STOP FREE
RSTART 900
THSTART 12
ASTART 12
RT 0.75
FOV 0.0 0.75 1.0
FWT 5.0 3.0 3
NPASS 50 !程序迭代次数
ANNEAL 200 20 Q
COLORS 3
SNAPSHOT 10
QUICK 50 50 !启用快速模式。快速模式下迭代次数50次,真实模式下迭代次数50次
END
SPECIAL PANT
END
SPECIAL AANT
LLL 50 .1 1 A BACK !后焦距最小50mm
END
GO
TIME