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G314335400 12.7 mm Dia. N-BK7 Plano-Concave Lens; EFL=-500mm

G314335400 12.7 mm Dia. N-BK7 Plano-Concave Lens; EFL=-500mm

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

Properties

Shape
Circular
Diameter
12.7 mm
EFL
-500 mm
R1
-260.39 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

G314335400 12.7 mm Dia. N-BK7 Plano-Concave Lens; EFL=-500mm

This is a Plano-Concave lens with a diameter of 12.7 mm, sourced from Qioptiq Photonics. The lens is made of N-BK7, a popular glass type in the optical industry, known for its excellent optical properties and high damage threshold. The lens has a center thickness of 1.5 mm and an effective focal length (EFL) of -500mm, making it suitable for applications that require a long focal length.

The lens's geometry includes a radius of curvature (R1) of -260.39 mm, indicating a concave shape. The inner and outer radii are both zero, suggesting that the lens is uniformly curved from the center to the edge.

The lens is coated with Qio Silver RAGV 45 on both the front and back surfaces, which enhances its reflectivity and durability. This coating is particularly useful in applications where high reflectivity and resistance to environmental conditions are required.

The lens is designed to operate at a wavelength of 588 nm, making it suitable for use in a wide range of applications, including but not limited to, spectroscopy, metrology, and beam shaping.

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