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89-206 3mm Dia. x 4.5mm FL; YAG-BBAR Coated; Double-Convex Lens YAG-BBAR 500-1100nm

89-206 3mm Dia. x 4.5mm FL; YAG-BBAR Coated; Double-Convex Lens YAG-BBAR 500-1100nm

Type
Lens
Subtype
Spherical Lens (Convex-Convex)
Brand
Edmund Optics
Product webpage
Edmund Optics products in the 3DOptix catalog

Properties

Shape
Circular
Diameter
3 mm
EFL
4.5 mm
BFL
3.78 mm
R1
4.29 mm
R2
-4.29 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

89-206 3mm Dia. x 4.5mm FL; YAG-BBAR Coated; Double-Convex Lens YAG-BBAR 500-1100nm

The 89-206 is a high-quality spherical lens, boasting a double-convex design and a 3mm diameter. This lens is sourced from the reputable vendor, Edmund Optics, and is currently in stock. The lens features a focal length of 4.5mm, making it suitable for a wide range of optical applications.

The lens is constructed from n-BK7 Schott, a popular optical glass due to its excellent optical properties and high homogeneity. The base shape of the lens is circular, and it has a thickness of 1.47mm at the edge and 2mm at the center. The effective focal length (EFL) is 3.78mm, and the radii of curvature are 4.29mm for both the front and back surfaces.

The 89-206 lens is coated with YAG-BBAR, a highly durable and efficient coating that enhances its performance in the spectral range of 500-1100nm. This coating is applied to both the front and back surfaces of the lens, ensuring optimal light transmission and reducing unwanted reflections.

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