By adding a
wedge and with partial reflective coating on first reflective surface(S1),
Penta Prism can be used as Beamsplitter. We supply Beamsplitter Penta
Prism with standard Transmission/reflection (T/R) ratio of 20/80, 50/50.
Other T/R ratios are available upon
request.
Main Specifications
|
|
Material |
BK7 Grade A optical glass |
Dimension
Tolerance |
±0.2
mm |
90°, 180°Deviation Tolerance |
Standard series: <30 arc
seconds Precision series: <10 arc seconds |
Flatness |
Standard series:
l/2 at 632.8
nm Precision series: l/4 at 632.8
nm |
Surface
Quality |
60-40 scratch and dig |
Beamsplitter
Ratio Transmission/Reflection @630-680nm, T/R |
20/80 ±
5% |
|

Standard Products
|
A x h (mm) |
1 min. deviation |
30 sec. deviation |
10 sec. deviation |
7 x 6 |
BPP-101 |
BPP-201 |
BPP-301 |
8 x 8 |
|
BPP-202
|
BPP-302
|
10 x
10 |
BPP-103 |
BPP-203 |
BPP-303 |
12 x 12 |
|
BPP-204
|
BPP-304
|
15 x
15 |
BPP-105 |
BPP-205 |
BPP-305 |
20 x
20 |
BPP-106 |
BPP-206 |
BPP-306 |
|
|