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LA1134-A N-BK7 Plano-Convex Lens; Dia:1 in; f=60.0 m ARC 350-700nm

LA1134-A N-BK7 Plano-Convex Lens; Dia:1 in; f=60.0 m ARC 350-700nm

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
60 mm
BFL
56.7 mm
R1
30.9 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

LA1134-A N-BK7 Plano-Convex Lens; Dia:1 in; f=60.0 m ARC 350-700nm

The LA1134-A is a plano-convex lens made of N-BK7 glass, a popular material in the optical industry due to its excellent optical properties. This lens, sourced from Thorlabs, is designed with a diameter of 1 inch (25.4 mm) and a focal length of 60 meters, making it suitable for a wide range of applications.

The lens's geometry is characterized by its edge thickness of 2 mm and center thickness of 4.7 mm. The effective focal length (EFL) is 60 mm, and the radius of curvature (ROC) of the curved surface is 30.9 mm. The back focal length (BFL) is 56.7 mm, and both the inner and outer radii are 0 mm, indicating a flat surface on the opposite side of the curved face.

The lens is coated with a broadband anti-reflection coating, denoted as "tho a bbar," which is applied to both the front and back surfaces. This coating is designed to operate within the wavelength range of 350-700 nm, reducing surface reflections and improving transmission.

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