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Equilateral prism is called dispersing prism. A white light ray is twice refracted passing through the prisms; meanwhile the output different color light can be separated. They are used for wavelength separation application. BTMT can provide fused silica, BK7 and SF10 materials. BK7 is more durable and has superior transmission, SF10 offers superior dispersion but it is more fragile and sensitive to training. |
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| Material: |
See table |
| Surface Flatness: |
λ/8 @ 633nm |
| Surface Quality: |
20/10 for BK7A & Suprasil II 40/20 for SF10 |
| Dimension Tolerance: |
+0.00/-0.20mm |
| Angle Tolerance: |
60°± 3arcmin |
| Clear Aperture: |
90% of central dimension |
| Coating: |
Single layer MgF2 |
| Bevel: |
0.3mmx45° |
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Product Number |
A |
H |
B |
Material |
TEQP-12.7SS |
12.7 |
11.00 |
12.7 |
Suprasil II |
TEQP-20B |
20.0 |
17.32 |
20.0 |
BK7A |
TEQP-30B |
30.0 |
25.98 |
30.0 |
BK7A |
TEQP-60SF10 |
60.0 |
51.96 |
11.0 |
SF10 |
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·All dimensions are in mm unless otherwise specified.
·Other sizes and materials are available upon request. |
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