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89-292 50mm Dia. x 200mm FL; YAG-BBAR Coated; Double-Convex Lens YAG-BBAR 500-1100nm

89-292 50mm Dia. x 200mm FL; YAG-BBAR Coated; Double-Convex Lens YAG-BBAR 500-1100nm

Type
Lens
Subtype
Spherical Lens (Convex-Convex)
Brand
Edmund Optics
Product webpage
Edmund Optics products in the 3DOptix catalog

Properties

Shape
Circular
Diameter
50 mm
EFL
200 mm
BFL
198.33 mm
R1
205.86 mm
R2
-205.86 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

89-292 50mm Dia. x 200mm FL; YAG-BBAR Coated; Double-Convex Lens YAG-BBAR 500-1100nm

This is a high-quality double-convex lens from the renowned optical components manufacturer, Edmund Optics. The lens, identified as item number 89-292, boasts a diameter of 50mm and a focal length of 200mm, making it suitable for a wide range of applications.

The lens is made from the high-grade material n-BK7 Schott, a borosilicate glass known for its excellent optical properties and durability. The lens's geometry features a thickness of 2mm at the edge and 5.05mm at the center, with radii of curvature of 205.86mm for the first surface and -205.86mm for the second surface. The back focal length is 198.33mm, and the lens has no inner or outer radius.

The lens is coated with YAG-BBAR, a highly durable and efficient coating that enhances its performance in the wavelength range of 500-1100nm. This coating reduces reflection and increases transmission, making the lens ideal for use in lasers, beam expanders, and other applications where high transmission and low loss are critical.

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