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83-980 2 mm Dia. N-PSK53A/N-LASF9 Achromatic Doublet; EFL=9mm VIS-NIR 400-1000nm

83-980 2 mm Dia. N-PSK53A/N-LASF9 Achromatic Doublet; EFL=9mm VIS-NIR 400-1000nm

Type
Lens
Subtype
Multiplets
Brand
Edmund Optics
Product webpage
Edmund Optics products in the 3DOptix catalog

Properties

Shape
Circular
Diameter
2 mm
EFL
9 mm
R1
5.38 mm
R2
-5.38 mm

Material 1

Name
N-PSK53A
Dispersion Equation
Sellmeier
n (λ)
1.6200834290222301
λ
550 nm
B1
1.38121836
C1
0.00706416337 μm2
B2
0.196745645
C2
0.0233251345 μm2
B3
0.886089205
C3
97.4847345 μm2

Material 2

Name
N-LASF9
Dispersion Equation
Sellmeier
n (λ)
1.8558415959902288
λ
550 nm
B1
2.00029547
C1
0.0121426017 μm2
B2
0.298926886
C2
0.0538736236 μm2
B3
1.80691843
C3
156.530829 μm2

83-980 2 mm Dia. N-PSK53A/N-LASF9 Achromatic Doublet; EFL=9mm VIS-NIR 400-1000nm

The 83-980 is a high-quality achromatic doublet lens, designed and manufactured by Edmund Optics. This lens, with a 2 mm diameter, is specifically engineered for use in the visible (VIS) and near-infrared (NIR) spectrum, spanning from 400 to 1000 nanometers.

The lens features an effective focal length (EFL) of 9mm, making it suitable for applications that require a compact, high-performance optical component. The achromatic design of the lens ensures minimal chromatic aberration, a common issue in optical systems where different wavelengths of light are focused at different points.

The lens is composed of two elements: N-PSK53A and N-LASF9, both from Schott, a renowned manufacturer of optical glass. The use of these materials ensures high transmittance and low dispersion across the VIS-NIR spectrum.

The lens is coated with Edmund Optics' VIS-NIR coating (edm visnir0sp2002000), which is applied to both the front and back surfaces. This coating enhances the lens's overall transmission and reduces surface reflections, further improving the system's performance.

The lens's geometry is also noteworthy, with a thickness of 1.88mm at the edge, 1mm at the center, and a central thickness 'a' of 1mm. The radii of curvature for the first and second surfaces are 5.38mm and -5.38mm, respectively, while the third surface has a radius of -20.79mm.

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