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G312331329 18 mm Dia. N-BK7 Plano-Convex Lens; EFL=30mm 1064nm

G312331329 18 mm Dia. N-BK7 Plano-Convex Lens; EFL=30mm 1064nm

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

Properties

Shape
Circular
Diameter
18 mm
EFL
30 mm
R1
15.73 mm

Material

Name
N-BK7
Dispersion Equation
Sellmeier
n (λ)
1.5167817367777034
λ
588 nm
B1
1.03961212
C1
0.00600069867 μm2
B2
0.231792344
C2
0.0200179144 μm2
B3
1.01046945
C3
103.560653 μm2

G312331329 18 mm Dia. N-BK7 Plano-Convex Lens; EFL=30mm 1064nm

This is a Plano-Convex Lens from Qioptiq Photonics, a leading provider of precision optics. The lens, identified as G312331329, has a diameter of 18 mm and a center thickness of 4.5 mm, with an edge thickness of 1.7 mm. The lens is designed with an effective focal length (EFL) of 30 mm for a wavelength of 1064 nm.

The lens is made of N-BK7, a popular glass type known for its excellent optical properties, including high transmittance and low auto-fluorescence. This makes the lens suitable for a wide range of applications, particularly in the field of laser technology.

The lens features a spherical shape, with a radius of curvature (R1) of 15.73 mm for the convex surface. The concave surface has an inner radius of 0 mm, while the outer radius is also 0 mm. This specific lens design is often used in imaging systems due to its ability to minimize spherical aberration.

The lens is coated with Qio HP Nbar ARHS-YAG on both the front and back surfaces. This anti-reflection coating is specifically designed to reduce surface reflections and increase transmission, particularly for the YAG laser wavelength of 1064 nm.

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