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38-404 12.5mm Dia. x 40.0mm FL; NIR II Coated; Plano-Convex Lens NIR II 750-1550nm

38-404 12.5mm Dia. x 40.0mm FL; NIR II Coated; Plano-Convex Lens NIR II 750-1550nm

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

Properties

Shape
Circular
Diameter
12.5 mm
EFL
35 mm
BFL
33.42 mm
R1
18.09 mm

Material

Name
N-BK7
Dispersion Equation
Sellmeier
n (λ)
1.5167984379050088
λ
587.6 nm
B1
1.03961212
C1
0.00600069867 μm2
B2
0.231792344
C2
0.0200179144 μm2
B3
1.01046945
C3
103.560653 μm2

38-404 12.5mm Dia. x 40.0mm FL; NIR II Coated; Plano-Convex Lens NIR II 750-1550nm

The 38-404 is a Plano-Convex lens, a type of spherical lens, sourced from Edmund Optics. This lens boasts a diameter of 12.5mm and a focal length of 40.0mm, making it suitable for a wide range of applications. The lens is made from n-BK7 Schott, a high-quality optical glass known for its excellent transparency and low dispersion.

The lens features a front and back coating of EDM NIR-II STD Curve, a specialized coating designed for use in the near-infrared (NIR) spectrum, specifically between 750nm and 1550nm. This coating enhances the lens's performance in the NIR range, making it an ideal choice for applications such as night vision, thermal imaging, and spectral analysis.

The lens's geometry includes an edge thickness of 1.29mm and a center thickness of 2.4mm. The inner radius is 0mm, and the outer radius is also 0mm, indicating a uniform curvature. The effective focal length (EFL) is 35mm, and the radius of curvature (R1) is 18.09mm. The back focal length (BFL) is 33.42mm.

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