63-647 20mm Dia. x 25mm FL; NIR I Coated; Double-Convex Lens NIR I 600-1050nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 20 mm
- EFL
- 25 mm
- BFL
- 23.86 mm
- R1
- 38.34 mm
- R2
- -38.34 mm
Material
- Name
- N-SF11
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.7847141030246312
- λ
- 587.6 nm
- B1
- 1.73759695
- C1
- 0.013188707 μm2
- B2
- 0.313747346
- C2
- 0.0623068142 μm2
- B3
- 1.89878101
- C3
- 155.23629 μm2
63-647 20mm Dia. x 25mm FL; NIR I Coated; Double-Convex Lens NIR I 600-1050nm
The 63-647 is a double-convex lens offered by Edmund Optics, designed for use in the near-infrared (NIR) spectrum, specifically between 600 and 1050nm. This lens, with a diameter of 20mm and a focal length of 25mm, is made from n-SF11 Schott, a high-index glass with excellent transmittance in the NIR range.
The lens features a standard NIR I coating on both the front and back surfaces, which is Edmund Optics' proprietary anti-reflection coating. This coating is designed to minimize surface reflections and increase transmission in the NIR range. The edge thickness of the lens is 1.35mm, while the center thickness is 4mm, providing a robust and durable structure.
The lens's geometry includes a radius of curvature of 38.34mm for both the front and back surfaces, resulting in a back focal length of 23.86mm. The lens is spherical in shape, a common design for its application range due to its ease of manufacturing and high optical quality.
The lens's information is available on the Edmund Optics website, where it is listed as in stock, ensuring quick delivery for your optical system needs.