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16-294 18mm Dia. S-LAH64 NIR Aspheric Lens; EFL=15mm; NA=0.6 SWIR-Plus 900-1700nm

16-294 18mm Dia. S-LAH64 NIR Aspheric Lens; EFL=15mm; NA=0.6 SWIR-Plus 900-1700nm

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

Properties

Shape
Circular
Diameter
18 mm
EFL
15 mm
BFL
11.51 mm
R1
11.65 mm
R2

Material

Name
S-LAH64
Dispersion Equation
Sellmeier
n (λ)
1.7768959986651893
λ
780 nm
B1
1.83021453
C1
0.0090482329 μm2
B2
0.29156359
C2
0.0330756689 μm2
B3
1.28544024
C3
89.3675501 μm2

16-294 18mm Dia. S-LAH64 NIR Aspheric Lens; EFL=15mm; NA=0.6 SWIR-Plus 900-1700nm

The 16-294 is a high-performance aspheric lens designed for use in the near-infrared (NIR) spectrum, specifically for wavelengths between 900 and 1700nm. This lens is manufactured by Edmund Optics, a leading provider of optical components, and is available for purchase through their website.

The lens features a diameter of 18mm and a numerical aperture (NA) of 0.6, making it suitable for a wide range of applications. The effective focal length (EFL) of the lens is 15mm, which is a common choice for many optical systems due to its versatility.

The lens is made from S-LAH64, a high-quality optical glass from Ohara that offers excellent transmission in the NIR spectrum. The lens is coated with Edmund Optics' SWIR-Plus 900-1700nm coating on both the front and back surfaces, which further enhances its performance in the NIR range.

The geometry of the lens includes a center thickness of 6.2mm and an edge thickness of 2.55mm. The front and back radii of curvature are 11.65mm and 0mm, respectively, and the lens has a conic constant of -1.002. These parameters contribute to the lens's high optical quality and low distortion.

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