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SLB-15B-15NIR2 15.0 mm Dia. x -14.7 mm FL; Coated; Double-Concave Lens 750-1550nm

SLB-15B-15NIR2 15.0 mm Dia. x -14.7 mm FL; Coated; Double-Concave Lens 750-1550nm

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

Properties

Shape
Circular
Diameter
15 mm
EFL
-14.7 mm
BFL
-15.3 mm
R1
-15.57 mm
R2
15.57 mm

Material

Name
N-BK7
Dispersion Equation
Sellmeier
n (λ)
1.518720636186463
λ
546.1 nm
B1
1.03961212
C1
0.00600069867 μm2
B2
0.231792344
C2
0.0200179144 μm2
B3
1.01046945
C3
103.560653 μm2

SLB-15B-15NIR2 15.0 mm Dia. x -14.7 mm FL; Coated; Double-Concave Lens 750-1550nm

The SLB-15B-15NIR2 is a high-quality double-concave lens, 15.0 mm in diameter, designed for use in the infrared spectrum, specifically between 750-1550nm. This lens is sourced from OptoSigma, a renowned vendor known for their precision optical components.

The lens is made from n-bk7 schott, a popular material in optical systems due to its excellent optical properties and high Abbe number. The geometry of the lens is characterized by its concave-concave shape, with a center thickness of 2mm and an edge thickness of 5.9mm. The effective focal length (EFL) is -14.7mm, indicating a diverging lens. The radii of curvature for the first and second surfaces are -15.57mm and 15.57mm respectively.

The SLB-15B-15NIR2 comes with a broadband anti-reflection coating, specifically the opt ir2 coating, on both the front and back surfaces. This coating enhances the lens' performance by reducing surface reflections, thereby increasing transmission in the specified wavelength range.

This lens is ideal for applications that require precise optical control in the infrared spectrum, such as IR imaging, spectroscopy, and beam shaping. With its robust design and high-quality coating, the SLB-15B-15NIR2 is a reliable choice for your optical system needs.

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