Cube Beamsplitter

Cube Beamsplitter OptoCity offer dielectric coated beamsplitter cube. These Cube Beamsplitter are cemented two right angle prisms, with beamsplitting coating on the internal hypotenuse surface and all other four surfaces AR coated. By using a cube rather than a coated plate, the displacement of the beam transmitted through the cube is virtually eliminated.

Unlike metalic coating (Inconel), this cube beamsplitter has minimal absorption and it is very reliable. The T/R ratio is partially polarization dependent. One can use this property to vary T/R ratio by rotating the input light polarization direction.

For simple, the input light can be aligned as pure s-polarization or p-polarization. Also a Quartz plate can be cemented to the surfaces if other polarization is desired. Dielectric coated beamsplitter cubes are more and more used in modern optical sysmtems.

For other polarization sensitive situation, we offer polarization independent non-polarizing beamspliter cube, polarizing beamsplitter cube.

Cube Beamsplitter Specifications

Beamspliter cube
Material
Dimension Tolerance
Wavelength
Splitter Ratio Ts/Rs
Tp/Rp
T/R (Average)
Surface Quality
Beam Deviation
Flatness
Cear Aperture
AR Coating
Mount
N-BK7 or UV Fused Silica
+/-0.1mm
from 400nm to 1960nm
10:90 to 90:10 +/-5%
10:90 to 90:10 +/-5%
10:90 to 90:10 +/-5%
40-20
< 3 arc minutes
< 1/4 @633nm
> 80%
All four Faces AR coated
Available Upon Request

Standard wavelength - Narrow Band: 488, 532, 633, 780, 850, 980, 1064, 1310, 1550 nm Broadband: 450-650, 650-900, 900-1200, 1200-1570, 1500-1650 nm

Standard Sizes: 2, 5, 10, 12.7, 15, 20, 25.4, 50mm Cube

Bamsplitter Cubes Order Information

OptoCity offer high quality bamsplitter cubes at very competitive price. Standard bamsplitter cubes are available in stock. Custom specified bamsplitter cube is available upon request. Please send us an email to request for quote.

Qty Item# Descriptions Wavelength T/R Ratio
BSC102 2x2x2mm Beamsplitter Cube
BSC105 5x5x5mm Beamsplitter Cube
BSC110 10x10x10mm Beamsplitter Cube
BSC112 12.7mm Beamsplitter Cube
BSC120 20mm Beamsplitter Cube
BSC125 25.4mm Beamsplitter Cube
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