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69-439 12.0mm Dia. x 30.0mm FL; Plano-Convex Lens Laser V-Coat 633nm

69-439 12.0mm Dia. x 30.0mm FL; Plano-Convex Lens Laser V-Coat 633nm

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
30 mm
BFL
28.02 mm
R1
15.5 mm

Material

Name
N-BK7
Dispersion Equation
Sellmeier
n (λ)
1.5150823520020043
λ
633 nm
B1
1.03961212
C1
0.00600069867 μm2
B2
0.231792344
C2
0.0200179144 μm2
B3
1.01046945
C3
103.560653 μm2

69-439 12.0mm Dia. x 30.0mm FL; Plano-Convex Lens Laser V-Coat 633nm

The 69-439 is a Plano-Convex spherical lens, part of the extensive catalog of optical elements offered by Edmund Optics. This lens boasts a diameter of 12.0mm and a focal length of 30.0mm, making it suitable for a wide range of applications.

The lens is made from the high-quality material n-BK7 Schott, a borosilicate crown glass known for its excellent optical properties, including a low refractive index and low dispersion. This makes the lens ideal for use in laser applications, particularly at the specified wavelength of 633nm.

The lens features a V-coat on both the front and back surfaces, specifically designed for laser use at 633nm. This coating enhances the lens's performance by reducing reflection and increasing transmission, thereby improving the efficiency and quality of the laser beam.

The geometry of the lens is carefully designed, with an edge thickness of 1.79mm and a center thickness of 3.0mm. The lens's inner and outer radii are 0mm, and the back focal length is 28.02mm. The lens's base shape is circular, adding to its versatility and applicability in various optical systems.

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