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38-406 12.5mm Dia. x 50.0mm FL; NIR II Coated; Plano-Convex Lens NIR II 750-1550nm

38-406 12.5mm Dia. x 50.0mm 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
45 mm
BFL
43.68 mm
R1
23.26 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

38-406 12.5mm Dia. x 50.0mm FL; NIR II Coated; Plano-Convex Lens NIR II 750-1550nm

The 38-406 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 50.0mm, 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 standard curve coating, specifically the EDM NIR-II std curve, on both the front and back surfaces. This coating enhances the lens' performance in the near-infrared (NIR) spectrum, specifically between 750nm and 1550nm. This makes the lens ideal for applications that require superior NIR transmission, such as night vision, thermal imaging, and spectral analysis.

The lens has a thickness of 1.14mm at the edge and 2mm at the center. The inner and outer radii are 0mm, indicating a uniform curvature. The back focal length is 43.68mm, and the effective focal length is 45mm. The lens' geometry and material properties make it an excellent choice for applications that require high-precision optics with excellent NIR transmission.

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