Code V 給的是垂軸像差,Zemax 給的是Seidel像差係數 W1M<6T.{7
兩者需要簡單轉換如下: >V@-tT"^:
3,e^;{w
SA = S1 / (2n'u') : 3rd order spherical aberration #rqLuqw
TCO = 3S2 / (2n'u') : 3rd order tangential coma i1ur>4Ns
TAS = (3S3+S4) / (2n'u') : 3rd order tangential astigmatic blur dGf{d7 D
SAS = ( S3+S4) / (2n'u') : 3rd order sagittal astigmatic blur zn&NLsA
PTB = S4 / (2n'u') : 3rd order Petzval blur B@G'6 ?
DST = S5 / (2n'u') : 3rd order distortion {e0cc1Up}
SAbar= S6 / (2n'ub') : 3rd order pupil spheircal aberration Jj_E/c"
dLFC = -CL / (n'u'^2) : Longitudinal chromatic aberration `Q^G
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AX = CL / (n'u') : Axial transverse chromatic aberration ]wWN~G)2lV
LAT = CT / (n'u') : Transverse chromatic aberration f{AbCi
PTZ = -S4 / H^2 : Petzval surface curvature ^k]OQc7q'
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上式中: _a"5[sG
n'是像空間折射率 w0x,~
u'是邊緣光在像空間之傾斜角 E(*RtOC<W
H 是光學不變量 QNJ )HNLp
1om :SHw
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。