67-632 15mm Dia. x 25mm FL; NIR II Coated; Double-Convex Lens NIR II 750-1550nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 15 mm
- EFL
- 25 mm
- BFL
- 23.82 mm
- R1
- 25.23 mm
- R2
- -25.23 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
67-632 15mm Dia. x 25mm FL; NIR II Coated; Double-Convex Lens NIR II 750-1550nm
This is a 15mm diameter, double-convex lens with a focal length of 25mm, specifically designed for use in the near-infrared (NIR) spectrum. The lens is sourced from Edmund Optics, a leading provider of optical components, and is currently in stock.
The lens is made from N-BK7 Schott glass, a popular material for optical elements due to its excellent optical properties and wide transparency range. The lens features a standard NIR-II coating on both the front and back surfaces, which enhances its performance in the NIR spectrum, particularly in the 750-1550nm range.
The geometry of the lens includes an edge thickness of 1.22mm and a center thickness of 3.5mm. The front and back radii of curvature are 25.23mm and -25.23mm, respectively, resulting in a back focal length of 23.82mm. The lens has no inner or outer radius, indicating a uniform thickness.
This lens is a spherical lens, meaning it has a spherical surface. This shape is commonly used in optical systems due to its simplicity and versatility. The lens's double-convex design, where both surfaces are convex, provides a strong focusing power, making it suitable for various applications.