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89-059 20.0mm Dia. x 50.0mm FL; Plano-Convex Lens Laser V-Coat 1550nm

89-059 20.0mm Dia. x 50.0mm FL; Plano-Convex Lens Laser V-Coat 1550nm

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

Properties

Shape
Circular
Diameter
20 mm
EFL
50 mm
BFL
47.87 mm
R1
25.84 mm

Material

Name
N-BK7
Dispersion Equation
Sellmeier
n (λ)
1.5006520430195947
λ
1550 nm
B1
1.03961212
C1
0.00600069867 μm2
B2
0.231792344
C2
0.0200179144 μm2
B3
1.01046945
C3
103.560653 μm2

89-059 20.0mm Dia. x 50.0mm FL; Plano-Convex Lens Laser V-Coat 1550nm

The 89-059 is a high-quality Plano-Convex spherical lens, designed and manufactured by Edmund Optics. This lens boasts a 20.0mm diameter and a 50.0mm focal length, making it suitable for a wide range of optical applications.

The lens is crafted from n-BK7 Schott, a popular optical glass due to its excellent optical properties and versatility. The base shape is circular, contributing to its robust design and wide range of uses.

The geometry of the lens is meticulously designed, with a thickness of 1.22mm at the edge and 3.23mm at the center. The effective focal length (EFL) is 50mm, and the radius of curvature (R1) is 25.84mm. The back focal length (BFL) is 47.87mm, and both the inner and outer radii are 0mm.

The 89-059 is coated with Edmund Optics' Las V-Coat 1550, a high-performance coating specifically designed for use with a 1550nm wavelength. This coating ensures optimal performance and durability, making the lens an excellent choice for laser applications.

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