Lens Specifications
Design Wavelength9500 nmMagnificationInfinite
Numerical Aperture0.85Window Thickness
Clear Aperture4.00 mmLaser Window Material / Index
Effective Focal Length1.873 mmGlassBD-2
Working Distance0.72 mmSurface Quality80-50 Scratch-Dig(Entire Bulk Material)
390037-EAuto CAD PDFAuto CAD DXFSolidworkseDrawingStepZemaxZemax (ZMX)
C037TME-EAuto CAD PDFAuto CAD DXFSolidworkseDrawingStepZemaxZemax (ZMX)

Vd number-
CTE (10-6 / °C)13.5
Thermo optic coefficient (10-6 / °C) (Δn/ΔT)91

Surface
R(mm)
k
A4
A6
A8
A10
A12
Side 1
0
-
-
-0.000850078
-
-
-
Side 2
3
-0.06201888
-0.004027423
-
0.0000045098755
0
0
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