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G311315525 22.4 mm Dia. N-BK7 Double-Convex Lens; EFL=50mm 725-1050nm

G311315525 22.4 mm Dia. N-BK7 Double-Convex Lens; EFL=50mm 725-1050nm

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

Properties

Shape
Circular
Diameter
22.4 mm
EFL
50 mm
R1
52.33 mm
R2
-52.33 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

G311315525 22.4 mm Dia. N-BK7 Double-Convex Lens; EFL=50mm 725-1050nm

The G311315525 is a high-quality double-convex lens, boasting a 22.4 mm diameter and a 50mm effective focal length (EFL). This lens is fabricated from N-BK7, a popular glass type known for its excellent optical properties, particularly its high refractive index and low dispersion. The lens is sourced from Qioptiq Photonics, a renowned vendor in the field of precision optics.

The lens features a base shape of a circle, with a thickness of 2.1mm at the edge and 4.5mm at the center. The radii of curvature for the first and second surfaces are 52.33mm and -52.33mm respectively, indicating a symmetric convex-convex geometry. The lens is unmounted, providing flexibility for integration into various optical systems.

The lens is coated with Qio Bbar Arb2nirnbk7 on both the front and back surfaces, enhancing its performance across the wavelength range of 725-1050nm. This coating reduces reflection and increases transmission, making the lens suitable for use in high-power laser applications.

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