![]() |
Design Wavelength | 670 nm | Magnification | Infinite |
Numerical Aperture | 0.3 | Window Thickness | 0.275 mm |
Clear Aperture | 6.59 mm | Laser Window Material / Index | N-BK7/1.5 |
Effective Focal Length | 11 mm | Glass | H-LAK54 |
Working Distance | 9.64 mm | Surface Quality | 60-40 Scratch-Dig(Entire Bulk Material) |
A397-C | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
A397TM-C | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
![]() |
Vd number | 51.05 |
---|---|
CTE (10-6 / °C) | 5.2 |
Thermo optic coefficient (10-6 / °C) (Δn/ΔT) | 6.7 |
|
|
|
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 |