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Polarization Beam Splitter Cube

  • Superior broadband performance
  • Extinction ratio >500:1, 1000:1 average
  • Low wavefront distortion

Product Detail
 

Broadband polarizing cube beamsplitters provide efficient polarization for use with multiple or tunable sources. Each polarizer consists of a pair of precision right-angle prisms carefully cemented together to minimize wavefront distortion. The hypotenuse of one of the prisms is coated with a multilayer dielectric polarizing beamsplitter coating optimized for a broad wavelength range. The four faces are antireflection coated with a multilayer dielectric coating to minimize surface reflection losses.

An unpolarized beam is split into two orthogonal, linearly polarized components. P-polarized light is transmitted, while s-polarized light is reflected, both with negligible absorption. The extinction ratio is better than 500:1, yet it averages 1000:1. This unique component provides all the benefits of a broadband polarizer in a standard cube configuration.

Broadband polarizing cube beamsplitters are available in four wavelength ranges covering the visible through near infrared. They are offered in two sizes:12.7 and 25.4
 mm.


Specification
 

Material:BK7grade A optical glass, Fused silica

T/R: 50/50±5 for specified wavelength  R=(RsRp)/2T=(TsTp)/2

Incidence Angle: 0°±2°

Beam Deviation:0°±3'(T)0°±5'(R)

Coatings: dichroic multiplayer beamsplitter film on hypotenuse, AR film on the four polished surfaces of the prism

Surface Flatness: 0.3-3

Surface Quality: 20/10 to 80/50

Clear Aperture: >90% dimension

Application: Spectrophotometer, interferometer, tunable laser etc.

Dimension, T/R, incident angle, wavelength range or other specs are available upon request.


Standard Wavelength
 

Narrow Band

532, 632.8, 780, 850, 1064, 1550nm

Broad Band

450-650, 650-900, 900-1200nm


 
Addr: No.888 Jinhu Road High-tech Zone,Changchun 130103, P.R.China
Email: cnioptical@cnilaser.com   International Tel: +86-431-87034313   Fax:+86-431-87033597   
 
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