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89-209 4.5mm Dia. x 4.5mm FL; YAG-BBAR Coated; Double-Convex Lens YAG-BBAR 500-1100nm

89-209 4.5mm 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
4.5 mm
EFL
4.5 mm
BFL
3.7 mm
R1
6.58 mm
R2
-6.58 mm

Material

Name
N-LASF44
Dispersion Equation
Sellmeier
n (λ)
1.8041965061599254
λ
587.6 nm
B1
1.78897105
C1
0.00872506277 μm2
B2
0.38675867
C2
0.0308085023 μm2
B3
1.30506243
C3
92.7743824 μm2

89-209 4.5mm Dia. x 4.5mm FL; YAG-BBAR Coated; Double-Convex Lens YAG-BBAR 500-1100nm

The 89-209 is a high-quality double-convex lens, boasting a 4.5mm diameter and a focal length of 4.5mm. This lens is sourced from the reputable vendor, Edmund Optics, and is currently in stock.

The lens is crafted from the material n-lasf44 schott, a popular choice for its optical properties. It features a front and back coating of edm yagbbar 5001100, providing superior performance within the wavelength range of 500-1100nm.

The geometry of the lens is meticulously designed, with an edge thickness of 1.8mm and a center thickness of 2.6mm. The lens's effective focal length (EFL) is 4.5mm, and it has a back focal length (BFL) of 3.7mm. The first and second radii (R1 and R2) are 6.58mm and -6.58mm respectively, contributing to its double-convex shape.

This lens is a spherical lens, which is a type of lens where the two surfaces are parts of spheres. The base shape is circular, making it suitable for a wide range of applications.

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