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HO-PVL25-08B 25mm Dia. N-BK7 Plano-Concave Lens; EFL=-200mm BBAR 400-700nm

HO-PVL25-08B 25mm Dia. N-BK7 Plano-Concave Lens; EFL=-200mm 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
25 mm
EFL
-200 mm
R1
-104.32 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-PVL25-08B 25mm Dia. N-BK7 Plano-Concave Lens; EFL=-200mm BBAR 400-700nm

This is a Plano-Concave Spherical Lens with a diameter of 25mm, manufactured by Holmarc Opto-Mechatronics. The lens has a center thickness of 2.5mm and an effective focal length (EFL) of -200mm, making it suitable for applications that require a negative focal length. The lens's concave surface has a radius of curvature (R1) of -104.323mm.

The lens is made of N-BK7 Schott glass, a popular material for optical elements due to its excellent optical properties and wide transparency range. The glass has an Abbe number of 64.17 and a refractive index of 1.5168 at 587.6nm, which is the wavelength used for the specification of the lens's properties.

The lens features broadband anti-reflection (BBAR) coating on both surfaces, designed for the 400-700nm wavelength range. This coating reduces reflection and increases transmission, enhancing the lens's performance in various applications. The BBAR coating is applied using the Holmarc's proprietary Hol-BBBAR 0 AOI process, ensuring high-quality and durable coating.

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