Cube Beamsplitter

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Cube beamsplitters are constructed by cementing two precision right angle prism together with appropriate interference coating on the hypotenuse surface.  The absorption loss to the coating is minimal transmission and reflection approach 50%(average) though output is partially polarized.  If polarization sensitivity is critical to your application, we recommend that Polarization Cube Beamsplitter or Non-Polarization Cube Beamsplitter.
 
Main Specifications
Material BK7 grade A, optical glass
Dimension Tolerance 0.2mm
Flatness l/4 @ 632.8 nm per 25mm
Surface Quality 60/40 scratches and dig
T/R
50/505%, for random polarization
T=(Ts+Tp)/2, R=(Rs+Rp)/2
Beam Deviation <3 arc minutes

Coatings (incidence angle: 45 degree)
    Hypotenuse Face: Partial reflectance
    All input and out faces: AR-coating

Standard Coating Wavelength
    Narrow Band: 488, 532, 632.8, 650, 808, 850, 980, 1064, 1310, 1550 nm
    Broadband: 450-650, 650-900, 900-1200, 1200-1550, 1500-1610 nm

 
Standard Product Information
Size (mm)
Narrow Band Broad Band

3.23.23.2

BSC-1101

BSC-1201

555

BSC-1102

BSC-1202

101010

BSC-1103

BSC-1203

12.712.712.7

BSC-1104

BSC-1204

151515

BSC-1105

BSC-1205

202020

BSC-1106

BSC-1206

25.425.425.4

BSC-1107

BSC-1207

Note: special size, split ratio and coating are available upon request.

Ordering Information
Part No, + wavelength
For example, BSC-1203 + 1500-1610,
Beamsplitter Cube 10X10X10mm, 1500-1610 nm broadband coating.


 

Toll Free(U.S.) 888.309.5061 Fax 650.618.2057

   

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