47-856 4.5mm Dia. x 9.0mm FL; VIS-NIR Coated; Plano-Convex Lens VIS-NIR 400-1000nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 4.5 mm
- EFL
- 9 mm
- BFL
- 7.41 mm
- R1
- 4.65 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
4.5mm Dia. x 9.0mm FL VIS-NIR Coated Plano-Convex Lens from Edmund Optics
This 4.5mm Dia. x 9.0mm FL Plano-Convex Lens, sourced from the renowned optical components manufacturer Edmund Optics, is a high-quality spherical lens designed for use in the visible to near-infrared spectrum (400-1000nm). The lens is coated with edm visnir0sp2002000 on both the front and back surfaces, enhancing its performance and durability in a wide range of applications.
The lens features a base shape of a circle, with a diameter of 4.5mm and a thickness at the edge of 1.8mm. The center thickness measures 2.38mm, while the effective focal length (EFL) is 9mm. The lens's front surface has a radius of curvature (R1) of 4.65mm, and the back focal length (BFL) is 7.41mm. The lens is made of n-BK7 Schott material, a popular choice for its excellent optical properties and versatility.
The lens's coating, edm visnir0sp2002000, is a broadband anti-reflection coating designed for use in the visible to near-infrared spectrum. This coating reduces surface reflections and increases transmission, enhancing the lens's performance in various applications.
Please note that the lens's inner and outer radii are both 0, indicating a flat surface on the lens's opposite side to the plano-convex surface. This feature makes the lens suitable for a wide range of applications, including imaging, beam shaping, and light collimation.
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