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68-550 20 x 20mm 30:70 (R:T) N-BK7 Standard Cube Beamsplitter; t=20mm 400-700nm

68-550 20 x 20mm 30:70 (R:T) N-BK7 Standard Cube Beamsplitter; t=20mm 400-700nm

Type
Beam Splitter
Subtype
Cube BS
Brand
Edmund Optics
Product webpage
Edmund Optics products in the 3DOptix catalog

Properties

Shape
Volume

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

68-550 20 x 20mm 30:70 (R:T) N-BK7 Standard Cube Beamsplitter; t=20mm 400-700nm

This is a 20 x 20mm N-BK7 Standard Cube Beamsplitter, offered by Edmund Optics with the catalog number 68-550. It is designed for use in the 400-700nm wavelength range, making it suitable for a wide range of optical applications.

The beamsplitter features a 30:70 (R:T) reflectance to transmission ratio, meaning that approximately 30% of the incident light is reflected while 70% is transmitted. This ratio is consistent across the entire 400-700nm wavelength range.

The beamsplitter is constructed from N-BK7 glass, a popular choice in the optical industry due to its excellent optical properties and wide transmission range. The beamsplitter's cube shape, with a side length of 20mm, provides robustness and stability.

The beamsplitter's coating is another notable feature. Both the front, back, left, and right surfaces are coated with EDM MGF2 STD CURVE, a standard coating that provides excellent durability and optical performance. The hypotenuse 1 surface is coated with EDM VIS R30 T70, a coating specifically designed for beamsplitters, providing the aforementioned 30:70 (R:T) ratio. The hypotenuse 2 surface is coated with EDM MGF2 STD CURVE, matching the coating on the other surfaces.

This beamsplitter is currently in stock and available for purchase through the Edmund Optics website, as indicated by its valid weblink status.

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