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LA1509-780 N-BK7 Plano-Convex Lens; Dia:1 in; f=100.0 mm 780nm V-Coat

LA1509-780 N-BK7 Plano-Convex Lens; Dia:1 in; f=100.0 mm 780nm V-Coat

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
100 mm
BFL
97.28 mm
R1
51.5 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

LA1509-780 N-BK7 Plano-Convex Lens; Dia:1 in; f=100.0 mm 780nm V-Coat

The LA1509-780 is a Plano-Convex lens, part of the extensive catalog of optical elements offered by Thorlabs. This lens is designed for use in the 780nm wavelength range, featuring a V-coat on both the front and back surfaces. The lens is made from n-BK7 Schott glass, a popular choice due to its excellent optical properties and broad transmission range.

The lens has a diameter of 1 inch (25.4mm) and a thickness of 2mm at the edge, increasing to 3.6mm at the center. The effective focal length (EFL) is 100mm, making it suitable for a variety of applications. The radius of curvature for the curved face (R1) is 51.5mm, and the back focal length (BFL) is 97.28mm. The inner and outer radii are both 0, indicating a flat surface on the opposite side of the curved face.

The coating on this lens is a broadband anti-reflection coating, designed to reduce surface reflections and increase transmission. This coating is specifically designed for the 780nm wavelength, making it ideal for applications in this range.

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