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Cube Beamsplitters > Chromium Cube Beamsplitters BK7

Introduction

Chromium cube Beamsplitter consists of two right angle prisms. One of them is coated with chromium (Cr) on the hypotenuse face. Beamsplitter divides input beam to reflectance and transmittance in 50%:50%.Four surfaces of the cube are coated with multilayer antireflection coatings. For cube beamsplitters unlike plate beamsplitters beam deviations at transmission and ghosts rarely occur.

 
 

Standard Specifications

 
 

Items

Specifications

Material

BK7 Grade A or equivalent Optical Glass

Dimension Tolerance

¡À 0.2 mm

Clear Aperture

> 85%

Beam Deviation

< 10 arc minutes

Flatness

¦Ë/4

Surface Quality

scratch and dig 40-20

Bevel

0.5 (0/-0.3) mm

Coating

Chromium (R : T = 50%:50%)
Four surfaces : Multilayer antireflection coating

Notes:

Please show us the size and the coating specification.
 
   
 

Part NO.

A=B=C (mm)

R : T

Wavelength Range

BCB0101

10.0

50%:50%

400-700 nm

BCB0102

15.0

50%:50%

400-700 nm

BCB0103

20.0

50%:50%

400-700 nm

BCB0104

25.0

50%:50%

400-700 nm

BCB0105

30.0

50%:50%

400-700 nm

BCB0106

40.0

50%:50%

400-700 nm

 

 

 

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