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Non-Polarizing Cube Beamsplitter (NPBS) 

Optics >>> Beamsplitter >>> Non Polarization Beamsplitter Cube 

Non-Polarizing Cube Beamsplitter consists of a pair of precision high tolerance right angle prisms cemented together with a metallic-dielectric coating on the hypotenuse of one of the prisms.  The low polarization dependence of the metallic-dielectric coating allows the transmission and reflection for S- and P-polarization states to be within 5% of each other.  This means that they will not change the state of polarization of the incident beam.
  
Main Specifications
Material Narrow Band: BK7 grade A optical glass 
Broadband: SF5 optical glass
Dimension Tolerance �0.2mm
Flatness l/4 @ 632.8 nm per 25mm
Surface Quality 60/40 scratches and dig
Transmittance 45%�5%
Absorption <10%
Beam Deviation <3 arc minutes

Coatings
    Hypotenuse face: Polarization Beamsplitter Coating
    All input and out faces: AR-coating

Standard Coating Wavelength
    Narrow Band: 632.8, 780, 850, 980, 1310, 1550 nm
    Broadband: 450-680, 650-900, 900-1200 nm

 
Standard Product Information
Size (mm)
Narrow Band Broad Band

101010

NPB-1103

NPB-1203

12.712.712.7

NPB-1104

NPB-1204

151515

NPB-1105

NPB-1205

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

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


 

   
 

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