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Rhombic Prism
| Rhombic Prisms are
used to display a beam laterally without changing it is direction.
They maybe coated to transmit part of the beam and prodcue two
parallel and displaced emerging beams. Can be coated to produce a
polarizing beam separator. Coating design are per customer’s design
according it is detailed application. |
General Specifications |
Parameter |
Commercial Grade |
Substrate Material |
BK7 grade A optical glass, UV fused silica
etc. |
Dimension Tolerance |
+0/-0.2mm |
Clear Aperture |
> 85% |
Surface Quality |
20-10 S/D |
Parallelism |
< 5 arc sec. |
Beam Deviation |
< 2 arc min. |
Surface Accuracy |
λ/8 @632.8nm |
Chamfer |
Protective chamfer |
Coating |
Uncoated |
Rhombic Prisms Standard Products:
Part No. |
A=C (mm) |
B (mm) |
Material |
PRH0101 |
10.0 |
14.14 |
BK7 |
PRH0201 |
12.7 |
17.96 |
BK7 |
PRH0301 |
25.4 |
35.9 |
BK7 |
PRH1001 |
5.0 |
7.07 |
UV Fused Silica |
PRH1101 |
10.0 |
14.14 |
UV Fused Silica |
PRH1201 |
12.7 |
17.96 |
UV Fused
Silica |
Note: Other material Rhombic Prisms and Coatings are available upon requirement.
The general tolerance
specifications above provide a guideline regarding manufacturing
capabilities for optics ranging in size from 5-100mm. The
manufacturing limits are not absolute; tighter tolerances may be
possible. Part specific tolerances may vary depending on component
size, shape, and/or material. |
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