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菱形棱鏡

 

Rhomboid prism can displace a laser beam without change the image orientation, the input beam is totally internal reflected by two 45degree faces and goes out from the output face. Then, a lateral displacement is produced. Higher transmission rate can be achieved by anti-reflective coating on the input and output faces. Rhomboid prism is always used in stereoscopic system and periscope system.

Currently we can make angle tolerance <5 arc seconds, total beam deviation <30 arc seconds. Large size is also available.
 

  

Specifications
Material:-------------------------------------------------------------------------BK7 Grade A optical glass
Dimension Tolerance:------------------------------------------------------±0.2mm
Beam Deviation:--------------------------------------------------------------Up to 30 arc seconds
Angle Tolerance:-------------------------------------------------------------Up to 5 arc seconds
Flatness:------------------------------------------------------------------------λ/4@632.8nm
Surface Quality:---------------------------------------------------------------60/40 scratch and dig
Coating:-------------------------------------------------------------------------AR coating available


 

Part No.
Material
A(mm)
B(mm)
C(mm)
Deviation
RHP0005
BK7
5.0
5.0
7.1
<30 arc sec
RHP0010
BK7
10.0
10.0
14.1
<30 arc sec
RHP0012
BK7
12.7
12.7
18.0
<30 arc sec
RHP0020
BK7
20.0
20.0
28.3
<30 arc sec
RHP0025
BK7
25.4
25.4
35.9
<30 arc sec

 

Note: Other sizes, material and coatings are available upon request.


   PDF to download

 
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