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67-608 9mm Dia. x 9mm FL; NIR II Coated; Double-Convex Lens NIR II 750-1550nm

67-608 9mm Dia. x 9mm FL; NIR II Coated; Double-Convex Lens NIR II 750-1550nm

Type
Lens
Subtype
Spherical Lens (Convex-Convex)
Brand
Edmund Optics
Product webpage
Edmund Optics products in the 3DOptix catalog

Properties

Shape
Circular
Diameter
9 mm
EFL
9 mm
BFL
7.9 mm
R1
11.38 mm
R2
-11.38 mm

Material

Name
N-SF5
Dispersion Equation
Sellmeier
n (λ)
1.6727030184452947
λ
587.6 nm
B1
1.52481889
C1
0.011254756 μm2
B2
0.187085527
C2
0.0588995392 μm2
B3
1.42729015
C3
129.141675 μm2

67-608 9mm Dia. x 9mm FL; NIR II Coated; Double-Convex Lens NIR II 750-1550nm

The 67-608 is a high-performance Double-Convex Lens, designed and manufactured by Edmund Optics, a leading global provider of optical components. This lens boasts a 9mm diameter and a focal length of 9mm, making it a versatile choice for a wide range of applications.

The lens is constructed from n-SF5 Schott, a high-refractive index material that ensures excellent optical performance. The base shape is circular, and the lens features a double-convex geometry, with radii of curvature of 11.38mm on both sides. This geometry provides a large numerical aperture, enhancing the lens's light-gathering capability.

The lens is coated with Edmund Optics' NIR-II Standard Curve coating on both the front and back surfaces. This coating is specifically designed for use in the near-infrared (NIR) region, enhancing the lens's performance in the 750-1550nm wavelength range. The coating reduces surface reflections, improving transmission and enhancing the overall efficiency of the lens.

The lens has a thickness of 1.6mm at the edge and 3.45mm at the center. The back focal length is 7.9mm, and the effective focal length is also 9mm. The lens does not have an inner radius or an outer radius.

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