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Beamsplitters

Beamsplitter Plate

Beamsplitter plate can be used with high power laser. When using beamsplitter plate, it is important to bear in mind that the two partial beams travel different optical paths. And the optical paths depend on the incident angle and the thickness of plate.   

                                                                                                                                                                                                                                                                      

Characteristic

Material: UV Grade Fused Silica              

Beamsplitter Coating for: 350 - 1100nm, 400 - 700nm, 600 - 1700nm, 700 - 1100nm  at 45° AOI

Split Ratio(R:T): 10:90, 30:70, 50:50, 70:30, or 90:10, etc

                                                                                                                    

General Specifications:

Dimension(mm)

Dia12.7

Dia25.4

Dia50.8

36.0x25.0

upon request

Dimension Tolerance

+/- 0.2mm

Wavelength Range

350 - 1100 nm

400 - 700nm

600 - 1700nm

         700 - 1100nm

Substrate

UV Fused Silica

Split Ratio(R:T)

10:90  30:70  50:50  70:30  90:10  at 45°AOI

Beamsplitter coating

Beamsplitter coating designed for AOI=45°

AR-Coating

Broadband AR coating

Ravg <2.0% within Wavelength Range

Surface Quality

40-20 up to 20-10 scratch and dig

Surface Flatness

λ/4  up to  λ/ 8 @ 633 nm

Wavefront Distortion Error

< λ/4 @ 633 nm

Clear Aperture

>80%

  

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