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89-235 10mm Dia. x 30mm FL; YAG-BBAR Coated; Double-Convex Lens YAG-BBAR 500-1100nm

89-235 10mm Dia. x 30mm 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
10 mm
EFL
30 mm
BFL
29.17 mm
R1
30.58 mm
R2
-30.58 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

89-235 10mm Dia. x 30mm FL; YAG-BBAR Coated; Double-Convex Lens YAG-BBAR 500-1100nm

The 89-235 is a high-quality double-convex lens, sourced from the renowned optical component vendor, Edmund Optics. This lens boasts a 10mm diameter and a focal length of 30mm, making it suitable for a wide range of optical applications.

The lens is crafted from Schott's n-BK7 glass, a material known for its excellent optical properties and versatility. The base shape of the lens is circular, and it features a double-convex geometry, with radii of curvature of 30.58mm and -30.58mm for the first and second surfaces, respectively. This geometry results in a back focal length of 29.17mm.

The 89-235 is coated with YAG-BBAR, a broadband anti-reflection coating that spans the wavelength range of 500-1100nm. This coating is applied to both the front and back surfaces of the lens, reducing surface reflections and enhancing overall transmission.

The lens has a thickness of 1.68mm at the edge and 2.5mm at the center. The inner and outer radii are 0mm, indicating a uniform curvature across the lens surface.

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