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LA1229-A N-BK7 Plano-Convex Lens; Dia:1 in; f=175.0 mm ARC 350-700nm

LA1229-A N-BK7 Plano-Convex Lens; Dia:1 in; f=175.0 mm 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
175 mm
BFL
172.5 mm
R1
90.1 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

LA1229-A N-BK7 Plano-Convex Lens; Dia:1 in; f=175.0 mm ARC 350-700nm

The LA1229-A is a high-quality plano-convex lens, designed and manufactured by Thorlabs, a leading global supplier of photonics equipment. This lens boasts a diameter of 1 inch (25.4 mm) and a focal length of 175 mm, making it suitable for a wide range of optical applications.

The lens is crafted from N-BK7, a popular optical glass due to its excellent optical properties and high Abbe number. This material ensures minimal chromatic aberration, making the LA1229-A ideal for applications that require high image quality and color correction.

The lens features a spherical shape, with a radius of curvature of 90.1 mm for the convex surface. The edge thickness is 2 mm, while the center thickness is 2.9 mm, providing robustness and durability. The effective focal length (EFL) of the lens is 175 mm, and the back focal length (BFL) is 172.5 mm.

The LA1229-A is coated with a broadband anti-reflection coating, designed to operate between 350 nm and 700 nm. This coating reduces surface reflections, enhancing the transmission of light through the lens and improving overall system performance.

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