38-413-INK 15.0mm Dia. x 25.0mm 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
- 15 mm
- EFL
- 20 mm
- BFL
- 17.49 mm
- R1
- 10.34 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
38-413-INK 15.0mm Dia. x 25.0mm FL; NIR II; Inked; Plano-Convex Lens NIR II 750-1550nm
The 38-413-INK is a Plano-Convex lens, a type of spherical lens, sourced from Edmund Optics. This lens, with a diameter of 15.0mm, is designed for use in the Near-Infrared II (NIR II) spectrum, specifically for wavelengths between 750nm and 1550nm.
The lens features a front and back coating of edm nir-ii std curve, which is specifically designed for use in the NIR II spectrum. This coating enhances the lens' performance in this region, providing superior transmission and reducing unwanted reflections.
The lens has a thickness of 1.62mm at the edge and 3.8mm at the center. The effective focal length (EFL) of the lens is 20mm, making it suitable for a variety of optical applications. The lens's front surface has a radius of curvature of 10.34mm, and the back focal length (BFL) is 17.49mm.
The lens is made from n-bk7 schott, a popular optical glass due to its excellent optical properties and relatively low cost. This material is known for its high Abbe number, low dispersion, and excellent homogeneity, making it an ideal choice for a wide range of optical applications.
The lens is inked, which is a process that adds a dye to the lens to make it easier to handle and identify. This can be particularly useful in environments where multiple lenses are being used, as it helps to prevent mix-ups and ensures that the correct lens is used for each application.
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