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67-940 12mm Dia. x 25mm FL; Laser Grade Plano-Convex Lens Laser V-Coat 266nm

67-940 12mm Dia. x 25mm FL; Laser Grade Plano-Convex Lens Laser V-Coat 266nm

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

Properties

Shape
Circular
Diameter
12 mm
EFL
25 mm
BFL
22.31 mm
R1
11.46 mm

Material

Name
Fused Silica
Dispersion Equation
Sellmeier
n (λ)
1.4996834240856278
λ
266 nm
B1
0.6961663
C1
0.00467914825849 μm2
B2
0.4079426
C2
0.013512063073959999 μm2
B3
0.8974794
C3
97.934002537921 μm2

67-940 12mm Dia. x 25mm FL; Laser Grade Plano-Convex Lens Laser V-Coat 266nm

The 67-940 is a laser grade plano-convex lens, boasting a diameter of 12mm and a focal length of 25mm. This lens is sourced from Edmund Optics, a reputable vendor known for their high-quality optical components. The lens is designed for use with a wavelength of 266nm, making it suitable for a variety of applications in the ultraviolet spectrum.

The lens is made from fused silica, a material with a high damage threshold and excellent transmission properties in the UV range. The front and back surfaces of the lens are coated with Edmund Optics' Laser V-Coat, specifically designed for 266nm. This coating enhances the lens's performance by reducing surface reflections and improving transmission.

The geometry of the lens is carefully crafted to ensure optimal performance. The lens has an outer radius of 0mm and an inner radius of 0mm, focusing all light towards a single point. The thickness at the edge of the lens is 2.22mm, while the thickness at the center is 3.92mm. The effective focal length (EFL) of the lens is 25mm, and the back focal length (BFL) is 22.31mm.

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