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Beamsplitters

Beamsplitters are used to split or combine beam of light. Plates and cubes are the most common types. The performance of beamsplitters is mainly depended on the coating specifications.

 

Specifications:

 

Material

K9

Dimension tolerance

±0.01mm

Clear aperture

>90%

Surface figure

λ/10@632.8nm

Beam Deviation

<1 arc min.

Surface quality

40-20

Coating

Partial reflectance on hypotenuse face,
AR-coatings on all input and output faces.

Splitting ratio accuracy

±5%, T=(Ts+Tp)/2R=(Rs+Rp)/2

Common wavelength

532, 633, 650, 780, 850, 980, 1064nm
450-650nm, 650-900nm, 900-1200nm