Lens Specifications
Design Wavelength780 nmMagnificationinfinite
Numerical Aperture0.15Window Thickness0.25 mm
Clear Aperture5.50 mmLaser Window Material / IndexN-BK7/1.5
Effective Focal Length18.40 mmGlassH-LAK54
Working Distance17.13 mmSurface Quality60-40 Scratch-Dig(Entire Bulk Material)
A280-AAuto CAD PDFAuto CAD DXFSolidworkseDrawingStepZemax (ZAR)Zemax (ZMX)
A280TM-AAuto CAD PDFAuto CAD DXFSolidworkseDrawingStepZemax (ZAR)Zemax (ZMX)

Vd number51.05
CTE (10-6 / °C)5.2
Thermo optic coefficient (10-6 / °C) (Δn/ΔT)6.7

Surface
R(mm)
k
A4
A6
A8
A10
Side 1
13.2245
-0.1550451
0.0001178858
-0.000046027852
0.0000063269738
-0.00000031567019
Side 2
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