Code V 給的是垂軸像差,Zemax 給的是Seidel像差係數 ([vyY}43h
兩者需要簡單轉換如下: mar6/*`I#+
QYl
Pr&O9
SA = S1 / (2n'u') : 3rd order spherical aberration # !:u*1
TCO = 3S2 / (2n'u') : 3rd order tangential coma OFc Lh
TAS = (3S3+S4) / (2n'u') : 3rd order tangential astigmatic blur _[J @w .l(
SAS = ( S3+S4) / (2n'u') : 3rd order sagittal astigmatic blur q6R``
PTB = S4 / (2n'u') : 3rd order Petzval blur ,0j7qn@tm
DST = S5 / (2n'u') : 3rd order distortion _c[Bjip
SAbar= S6 / (2n'ub') : 3rd order pupil spheircal aberration g"c |%3
dLFC = -CL / (n'u'^2) : Longitudinal chromatic aberration gzV&S5A{_
AX = CL / (n'u') : Axial transverse chromatic aberration #Tm^$\*h\]
LAT = CT / (n'u') : Transverse chromatic aberration =t@8Y`9w
PTZ = -S4 / H^2 : Petzval surface curvature T9&-t7:
W8bh49
上式中: .
#+ N?D<
n'是像空間折射率 H rMH
u'是邊緣光在像空間之傾斜角 8\V
H 是光學不變量 )1E[CIaXK
hh%fmc
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。