38-409 12.7mm Dia. x 20.0mm FL; NIR II Coated; Plano-Convex Lens NIR II 750-1550nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 12.7 mm
- EFL
- 15 mm
- BFL
- 11.53 mm
- R1
- 7.75 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
38-409 12.7mm Dia. x 20.0mm FL; NIR II Coated; Plano-Convex Lens NIR II 750-1550nm
This is a 38-409 Plano-Convex Lens, a high-quality optical component sourced from Edmund Optics. The lens boasts a diameter of 12.7mm and a focal length of 20.0mm, making it suitable for a wide range of applications.
The lens is made from n-BK7 Schott, a popular optical glass known for its excellent optical properties and versatility. This material is particularly suitable for use in the visible and near-infrared spectrum, making the lens ideal for applications in this range.
The lens features a plano-convex geometry, meaning one side is flat (plano) and the other side is curved (convex). This design allows for efficient light collection and focusing, making the lens suitable for use in imaging systems, beam shaping, and other applications where light manipulation is required.
The lens is coated with Edmund Optics' standard NIR-II coating on both the front and back surfaces. This coating is designed to enhance the lens' performance in the near-infrared spectrum, specifically in the 750-1550nm range. The coating reduces surface reflections, improving transmission and enhancing the overall performance of the lens.
According to the provided data, the lens has an inner radius of 0mm and an outer radius of 0mm. The edge thickness is 1.94mm, while the center thickness is 5.25mm. The effective focal length (EFL) is 15mm, and the back focal length (BFL) is 11.53mm.
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