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HO-PVL50-20B 50mm Dia. N-BK7 Plano-Concave Lens; EFL=-1000mm BBAR 400-700nm

HO-PVL50-20B 50mm Dia. N-BK7 Plano-Concave Lens; EFL=-1000mm BBAR 400-700nm

Type
Lens
Subtype
Spherical Lens (Plano-Concave)
Brand
Holmarc Opto-Mechatronics
Product webpage
Holmarc Opto-Mechatronics products in the 3DOptix catalog

Properties

Shape
Circular
Diameter
50 mm
EFL
-1000 mm
R1
-521.62 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

HO-PVL50-20B 50mm Dia. N-BK7 Plano-Concave Lens; EFL=-1000mm BBAR 400-700nm

This is a Plano-Concave Lens, a type of spherical lens, offered by Holmarc Opto-Mechatronics. The lens has a diameter of 50mm and a center thickness of 2.5mm. It is designed with a concave surface, which is characterized by a radius of curvature (R1) of -521.616mm. The lens's effective focal length (EFL) is -1000mm, making it a negative lens.

The lens is made of N-BK7, a popular optical glass from Schott. This material is known for its excellent optical properties, making it suitable for various applications. The lens's coating is BBAR 400-700nm, which stands for Broadband Anti-Reflection. This coating is designed to reduce reflection and increase transmission over a broad spectrum, specifically from 400nm to 700nm.

The lens's coating is applied to both the front and back surfaces, indicated by "hol bbbar 0 aoi" for both. This coating ensures optimal performance by minimizing losses due to reflection and enhancing the lens's overall efficiency.

The item data provided does not specify the lens's outer and inner radii. However, it is mentioned that the lens has a plano surface, indicating that one of its radii is infinity. The other radius, R1, is provided as -521.616mm.

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