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Lens Specifications

Design Wavelength	780 nm	Magnification	Infinite
Numerical Aperture	0.55	Window Thickness
Clear Aperture	1.60 mm	Laser Window Material / Index
Effective Focal Length	1.45 mm	Glass	ECO-550
Working Distance	0.88 mm	Surface Quality	40-20 Scratch-Dig(Entire Bulk Material)

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352140-A
C140TME-A

Vd number	50.28
CTE (10-6 / °C)	11.62
Thermo optic coefficient (10-6 / °C) (Δn/ΔT)	2.39

Surface R(mm) k A4 A6 A8

Side 1 -5.96 - 0.0326145 -0.00841526 -

Side 2 0.95 -0.936493 0.0483026 0.00385013 -0.00285189

Side 1 and Side 2 are labeled as ASP1 and ASP2, respectively, on the drawings shown on the Specifications tab.

z	SAG as a Function of Y	A4	4th Order Aspheric Coefficient
R	Radius of Curvature	A6	6th Order Aspheric Coefficient
k	Conic Constant	A8	8th Order Aspheric Coefficient
A2	2nd Order Aspheric Coefficient	An	nth Order Aspheric Coefficient