67-566-INK 25.4mm Dia. x 101.6mm FL; NIR II; Inked; Plano-Convex Lens NIR II 750-1550nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- 63.5 mm
- BFL
- 60.37 mm
- R1
- 32.82 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
67-566-INK 25.4mm Dia. x 101.6mm FL; NIR II; Inked; Plano-Convex Lens NIR II 750-1550nm
This is a Plano-Convex Lens, specifically designed for use in the Near-Infrared II (NIR II) spectrum, with a diameter of 25.4mm and a focal length of 101.6mm. The lens is sourced from Edmund Optics, a renowned vendor in the optical industry. It is inked, indicating that it has been specifically treated or coated for a particular application.
The lens is made of N-BK7 Schott, a popular optical glass due to its excellent optical properties and relatively low cost. The geometry of the lens includes a diameter of 25.4mm, a thickness at the edge of 2.19mm, and a thickness at the center of 4.75mm. The effective focal length (EFL) is 63.5mm, and the radius of curvature (R1) is 32.82mm. The back focal length (BFL) is 60.37mm, and both the inner and outer radii are 0mm.
The lens is coated with Edmund Optics' standard NIR-II coating on both the front and back surfaces. This coating is designed to optimize the lens' performance in the NIR II spectrum, specifically in the wavelength range of 750-1550nm. The lens' shape is spherical, which is a common choice for its ease of manufacture and good performance across a wide range of applications.
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