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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.
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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.
