Design Wavelength | 810 nm | Magnification | Infinite |
Numerical Aperture | 0.3 | Window Thickness | 0.275 mm |
Clear Aperture | 4.50 mm | Laser Window Material / Index | N-BK7/1.5 |
Effective Focal Length | 7.5 mm | Glass | H-LAK54 |
Working Distance | 5.90 mm | Surface Quality | 60-40 Scratch-Dig(Entire Bulk Material) |
A375-B | |||||||
A375TM-B |
Vd number | 51.05 |
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CTE (10-6 / °C) | 5.2 |
Thermo optic coefficient (10-6 / °C) (Δn/ΔT) | 6.7 |
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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 |