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LC1315-C N-BK7 Plano-Concave Lens; Dia:2 in; f=-75.0 mm ARC 1050-1700nm

LC1315-C N-BK7 Plano-Concave Lens; Dia:2 in; f=-75.0 mm ARC 1050-1700nm

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

Properties

Shape
Circular
Diameter
50.8 mm
EFL
-75 mm
BFL
-77.3 mm
R1
-38.6 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

LC1315-C N-BK7 Plano-Concave Lens; Dia:2 in; f=-75.0 mm ARC 1050-1700nm

The LC1315-C is a plano-concave lens, a type of spherical lens, featuring a negative focal length, manufactured by Thorlabs. This lens is designed for use within a broad spectral range, from 1050nm to 1700nm, making it suitable for a wide variety of applications.

The lens is constructed from N-BK7 glass, a popular material in optical systems due to its excellent optical properties. The lens has a diameter of 2 inches (50.8mm) and a thickness of 13mm at the edge, tapering down to 3.5mm at the center. The negative focal length of the lens is -75mm, and the back focal length is -77.3mm.

The lens features anti-reflection coatings on both the front and back surfaces, specifically designed for the wavelength range of 1050nm to 1700nm. These coatings help to minimize surface reflections, thereby increasing the amount of light transmitted through the lens.

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