Lens Specifications
Design Wavelength830 nmMagnificationInfinite
Numerical Aperture0.55Window Thickness
Clear Aperture3.60 mmLaser Window Material / Index
Effective Focal Length2.75 mmGlassD-ZLAF52LA
Working Distance2.16 mmSurface Quality40-20 Scratch-Dig(Entire Bulk Material)
355390-BAuto CAD PDFAuto CAD DXFSolidworkseDrawingStepZemax (ZAR)Zemax (ZMX)
C390TME-BAuto CAD PDFAuto CAD DXFSolidworkseDrawingStepZemax (ZAR)Zemax (ZMX)

Vd number40.73
CTE (10-6 / °C)6.9
Thermo optic coefficient (10-6 / °C) (Δn/ΔT)6.5

Surface
R(mm)
k
A4
A6
A8
A10
A12
Side 1
3.88
-0.431729
-0.008168899
-1.995690E-04
2.200933E-04
-3.982084E-05
2.656612E-06
Side 2
-3.88
-0.431729
0.008168899
1.995690E-04
-2.200933E-04
3.982084E-05
-2.656612E-06
Side 1 and Side 2 are labeled as ASP1 and ASP2, respectively, on the drawings shown on the Specifications tab.
zSAG as a Function of YA44th Order Aspheric Coefficient
RRadius of CurvatureA66th Order Aspheric Coefficient
kConic ConstantA88th Order Aspheric Coefficient
A22nd Order Aspheric CoefficientAnnth Order Aspheric Coefficient