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LA1951-D N-BK7 Plano-Convex Lens; Dia:1 in; f=25.4 mm ARC 1650-3000nm

LA1951-D N-BK7 Plano-Convex Lens; Dia:1 in; f=25.4 mm ARC 1650-3000nm

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

Properties

Shape
Circular
Diameter
25.4 mm
EFL
25.3 mm
BFL
17.6 mm
R1
13.1 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

LA1951-D N-BK7 Plano-Convex Lens; Dia:1 in; f=25.4 mm ARC 1650-3000nm

The LA1951-D is a Plano-Convex lens, a type of spherical lens, sourced from Thorlabs, a renowned optical components manufacturer. This lens, with a base shape of a circle, is designed for use in the optical spectrum centered around 587.6 nm.

The lens has a diameter of 1 inch (25.4 mm) and a thickness that varies from 1.8 mm at the edge to 11.7 mm at the center. The effective focal length (EFL) of this lens is 25.3 mm, making it suitable for a variety of optical applications.

The LA1951-D is made of N-BK7, a popular optical glass from Schott, which is known for its excellent optical properties and wide transmission range. The lens is coated with a broadband anti-reflection coating (ARC), specifically designed for the wavelength range of 1650-3000 nm, enhancing its performance in infrared applications.

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