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
3.87
-0.4317287
-0.0081688989
-1.99569030E-04
2.2009330E-04
-3.98208390E-05
2.65661150E-06
Side 2
-3.87
-0.4317287
0.0081688989
1.99569030E-04
-2.2009330E-04
3.98208390E-05
-2.65661150E-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