Code V 給的是垂軸像差,Zemax 給的是Seidel像差係數 DpQ:U 5j
兩者需要簡單轉換如下: bP{uZnOM2P
jWh}cM=
SA = S1 / (2n'u') : 3rd order spherical aberration d2*uY.,
TCO = 3S2 / (2n'u') : 3rd order tangential coma IvM>z03
TAS = (3S3+S4) / (2n'u') : 3rd order tangential astigmatic blur E*8).'S%k
SAS = ( S3+S4) / (2n'u') : 3rd order sagittal astigmatic blur VevDW }4q*
PTB = S4 / (2n'u') : 3rd order Petzval blur Pi=B\=gs
DST = S5 / (2n'u') : 3rd order distortion Z)G@ahOQ
SAbar= S6 / (2n'ub') : 3rd order pupil spheircal aberration mh8)yy5\
dLFC = -CL / (n'u'^2) : Longitudinal chromatic aberration <Y ^)/ s
AX = CL / (n'u') : Axial transverse chromatic aberration EN)0b,ax
LAT = CT / (n'u') : Transverse chromatic aberration YBQ{/"v%|
PTZ = -S4 / H^2 : Petzval surface curvature 5Pd^Sew
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上式中: AmBLZ<f;
n'是像空間折射率 DTCOhUIV
u'是邊緣光在像空間之傾斜角 <[tU.nh
H 是光學不變量 -qJO6OM
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另外,不同軟體及書本對Seidel像差係數的定義可能差一負號,請小心。