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SLB-50-220NIR1 50.0 mm Dia. x -220.0 mm FL; Coated; Plano-Concave Lens 633-1064nm

SLB-50-220NIR1 50.0 mm Dia. x -220.0 mm FL; Coated; Plano-Concave Lens 633-1064nm

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

Properties

Shape
Circular
Diameter
50 mm
EFL
-220 mm
BFL
-222 mm
R1
-114.18 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-50-220NIR1 50.0 mm Dia. x -220.0 mm FL; Coated; Plano-Concave Lens 633-1064nm

The SLB-50-220NIR1 is a Plano-Concave Spherical Lens, 50.0 mm in diameter, with a focal length of -220.0 mm. This lens is sourced from OptoSigma, a renowned vendor in the optical industry. The lens is made of n-bk7 schott, a high-quality optical glass, and features a Plano-Concave geometry, making it suitable for a wide range of applications.

The lens has a thickness of 5.8 mm at the edge and 3 mm at the center, providing a balanced structure for efficient light transmission. The Inner and Outer Radius are both 0, indicating a uniform curvature. The Back Focal Length (BFL) is -222 mm, slightly longer than the Effective Focal Length (EFL) of -220 mm, which is typical for Plano-Concave lenses.

The lens is coated with opt ir1 on both the front and back surfaces, enhancing its performance in the 633-1064nm wavelength range. This coating ensures high transmission and low reflection, making the lens ideal for use in laser applications and other settings where precise light control is required.

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