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G314317331 22.4 mm Dia. N-BK7 Plano-Concave Lens; EFL=-150mm

G314317331 22.4 mm Dia. N-BK7 Plano-Concave Lens; EFL=-150mm

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

Properties

Shape
Circular
Diameter
22.4 mm
EFL
-150 mm
R1
-78.3 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

G314317331 22.4 mm Dia. N-BK7 Plano-Concave Lens; EFL=-150mm

This is a Plano-Concave lens, type N-BK7, with a diameter of 22.4 mm and a center thickness of 1.5 mm. The effective focal length (EFL) of this lens is -150mm, making it a negative or diverging lens. The radius of curvature (R1) for this lens is -78.298mm, indicating a concave shape. The inner and outer radii are both 0, suggesting that this lens has a uniform curvature.

This lens is made from N-BK7, a type of borosilicate glass commonly used in optical applications due to its low coefficient of thermal expansion and excellent homogeneity. The lens is coated with Qio AL RALVIS AOI 45 on both the front and back surfaces, which is designed to reduce reflection and improve transmission.

The lens is designed to operate at a wavelength of 588nm. The item data does not provide information about the lens's tolerance, clear aperture, or other specifications that might be relevant for certain applications. However, the vendor, Qioptiq Photonics, is a reputable supplier of precision optics, suggesting that this lens meets high standards of quality and performance.

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