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Beamsplitters

Polarizing Beamsplitter (PBS) Cube

PBS Cube can be used as polarizers, beamsplitters or beam combiners. The output beam which are parallel to input beam is called p-polarized beam while the orthogonal output beam is defined as s-polarized beam.            


Broadband  Polarizing Beamsplitter Cube  Design      

Characteristic:

.Transmitted Beam Extinction Ratio: >1000:1

.Four Wavelength Ranges Available

                                                

Specifications: 

Cube Size

5mm Cube, 10mm Cube, 12.7 mm Cube, 20 mm Cube, 25.4 mm Cube, upon request

Wavelength Range

420 - 680 nm

620 -1000 nm

900 – 1300 nm

1200 - 1600 nm

Substrate

H-ZF3/N-SF1

Extinction Ratio

Tp:Ts> 1000:1

Principal Transmittance

Tp >90%

Principal Reflectance

Rs >99%

Reflected Beam Deviation

90° ± 5 arcmin

Transmitted Beam Deviation

< 5 arcmin

AR-Coating Reflection

Ravg <0.5% @ 0 degree AOI  all input and output face

Dimension Tolerance

+/- 0.2mm

Surface Quality

40-20 scratch and dig

Surface Flatness

λ/4 up to λ/8 @ 633 nm

Transmitted Wavefront Error

< λ/4 @ 633 nm

Clear Aperture

>80%

  




Single Wavelength Polarizing Beamsplitter Cube  Design      

Characteristic:

.Transmitted Beam Extinction Ratio: >3000:1

.Several Wavelength Available

Specifications: 

Cube Size

5mm Cube, 10mm Cube, 12.7 mm Cube, 20 mm Cube, 25.4 mm Cube, upon request

Wavelength (nm)

532, 633, 670, 780, 850, 980, 1064, 1550, etc.

Substrate

UV Fused Silica

Extinction Ratio

Tp:Ts> 3000:1 

Principal Transmittance

Tp >95%

Principal Reflectance

Rs >99%

Reflected Beam Deviation

90° ± 5 arcmin

Transmitted Beam Deviation

< 5 arcmin

AR-Coating Reflection

R <0.25% @ 0 degree AOI  all input and output face

Dimension Tolerance

+/- 0.2mm

Surface Quality

40-20 scratch and dig

Surface Flatness

λ/4 up to λ/8 @ 633 nm

Transmitted Wavefront Error

< λ/4 @ 633 nm

Clear Aperture

>80%

  




Wire Grid Polarizing Beamsplitter Cube  Design 

Characteristic:

.Transmit P-polarized light, reflect S-polarized light

.Large Field of View: 0° - 25 ° AOI

.High Extinction Ratio

                                                  

Specifications: 

Cube Size

10mm Cube, 12.7 mm Cube, 20 mm Cube, 25.4 mm Cube, upon request

Wavelength (nm)

400 – 700 nm

Substrate

N-BK7

Extinction Ratio

Tp:Ts> 1000:1  @0°-5°AOI

Tp:Ts> 100:1  @5°-25°AOI

Principal Transmittance

Tp >60%(Avg.)@0°AOI for 400-700 nm

Principal Reflectance

Rs >70% @0°-25°AOI for 400-700 nm

Reflected Beam Deviation

90° ± 5 arcmin

Transmitted Beam Deviation

< 5 arcmin

AR-Coating Reflection

Ravg <0.5% @ 0° AOI  all input and output face

Dimension Tolerance

+/- 0.2mm

Surface Quality

40-20 scratch and dig

Surface Flatness

λ/4  up to  λ/ 8 @ 633 nm

Transmitted Wavefront Error

< λ/4 @ 633 nm

Clear Aperture

>80%

  



       


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