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SLB-40B-40NIR1 40.0 mm Dia. x -39.7 mm FL; Coated; Double-Concave Lens 633-1064nm

SLB-40B-40NIR1 40.0 mm Dia. x -39.7 mm FL; Coated; Double-Concave Lens 633-1064nm

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

Properties

Shape
Circular
Diameter
40 mm
EFL
-39.7 mm
BFL
-40.3 mm
R1
-41.52 mm
R2
41.52 mm

Material

Name
N-BK7
Dispersion Equation
Sellmeier
n (λ)
1.518720636186463
λ
546.1 nm
B1
1.03961212
C1
0.00600069867 μm2
B2
0.231792344
C2
0.0200179144 μm2
B3
1.01046945
C3
103.560653 μm2

SLB-40B-40NIR1 40.0 mm Dia. x -39.7 mm FL; Coated; Double-Concave Lens 633-1064nm

The SLB-40B-40NIR1 is a high-quality double-concave lens, boasting a diameter of 40.0 mm and a focal length of -39.7 mm. This lens is sourced from OptoSigma, a renowned vendor known for its precision optical components.

The lens is made from n-bk7 schott, a popular material in the optical industry due to its excellent optical properties. The base shape of the lens is circular, and it features a spherical geometry, with inner and outer radii of 0 mm each. The lens has a thickness of 12.3 mm at the edge and 2 mm at the center.

The SLB-40B-40NIR1 is coated with opt ir1 on both the front and back surfaces, providing enhanced performance in the wavelength range of 633-1064nm. This coating ensures that the lens delivers superior light transmission and reduces unwanted reflections, making it ideal for a wide range of applications.

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