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SLB-50B-60NIR1 50.0 mm Dia. x -59.5 mm FL; Coated; Double-Concave Lens 633-1064nm

SLB-50B-60NIR1 50.0 mm Dia. x -59.5 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
50 mm
EFL
-59.5 mm
BFL
-60.5 mm
R1
-62.28 mm
R2
62.28 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-50B-60NIR1 50.0 mm Dia. x -59.5 mm FL; Coated; Double-Concave Lens 633-1064nm

The SLB-50B-60NIR1 is a high-quality double-concave lens offered by OptoSigma, designed for use within the wavelength range of 633-1064nm. This lens is fabricated from the well-regarded material n-BK7 Schott, ensuring excellent optical performance and durability.

The lens boasts a diameter of 50.0 mm and a focal length of -59.5 mm, making it suitable for a wide range of applications. The edge thickness measures 13.5 mm, while the center thickness is a mere 3 mm, contributing to its compact design and efficient light transmission.

The SLB-50B-60NIR1 features a double-concave geometry with radii of curvature of -62.28 mm on both the front and back surfaces. This design allows for effective convergence or divergence of light, depending on the application. The back focal length is -60.5 mm, and both the inner and outer radii are 0 mm, indicating a uniform curvature throughout.

The lens is coated with Opt IR1 on both the front and back surfaces, enhancing its performance within the specified wavelength range. This coating reduces surface reflections and improves overall transmission, making the SLB-50B-60NIR1 an excellent choice for various optical systems.

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