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LA1859-C N-BK7 Plano-Convex Lens; Dia:18.0 mm; f=20.0 mm ARC 1050-1700nm

LA1859-C N-BK7 Plano-Convex Lens; Dia:18.0 mm; f=20.0 mm ARC 1050-1700nm

Type
Lens
Subtype
Spherical Lens (Plano-Convex)
Brand
Thorlabs
Product webpage
Thorlabs products in the 3DOptix catalog

Properties

Shape
Circular
Diameter
18 mm
EFL
20 mm
BFL
15.3 mm
R1
10.3 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

LA1859-C N-BK7 Plano-Convex Lens; Dia:18.0 mm; f=20.0 mm ARC 1050-1700nm

The LA1859-C is a high-quality plano-convex lens from Thorlabs, designed for use in a wide range of optical applications. This lens is made from N-BK7 Schott glass, a popular material due to its excellent optical properties and high damage threshold. The lens has a diameter of 18.0 mm and a focal length of 20.0 mm, making it suitable for use in systems where a long focal length is required.

The lens features an antireflection coating, designed to reduce surface reflections and increase transmission in the 1050-1700nm wavelength range. This coating is applied to both the front and back surfaces of the lens, ensuring optimal performance. The lens has a spherical shape, with a radius of curvature of 10.3 mm on the curved surface and a back focal length of 15.3 mm.

The LA1859-C is currently in stock and available for immediate shipping. For more information, including detailed specifications and pricing, please refer to the vendor's website.

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