Pentaprism
A pentagonal prism is an optical prism with a pentagonal cross-section. After the light is incident on it, it undergoes two reflections and the direction of the outgoing light is precisely perpendicular to the incoming light (with a 90° deviation), and the image does not undergo inversion or reversal, maintaining its original direction. The reflective surface of this prism must be coated with a high-reflection dielectric film or a metal reflective film. If a wedge-shaped mirror is added and a beamsplitter coating is on the first reflective surface of the pentagonal prism, it can be used as a beamsplitter. The ratio of transmission to reflection (T/R) can be 20/80, 30/70, 40/60, 50/50, etc.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Material | Optical glasses |
| Dimension Axh | 2.5x2.5 - 100.0x100.0 |
| Dimension Tolerance [±0.2 (General), ±0.05 (High Precision)] | ±0.2 (General), ±0.05 (High Precision) |
| Deviation Tolerance [<1 min. (General), <3 sec. (High Precision)] | <1 min. (General), <3 sec. (High Precision) |
| Flatness [633nm；λ/2 (General), λ/4 (High Precision)] | λ/2 (General), λ/4 (High Precision) |
| Reflection | According to the HR coating |
| Surface Quality [60/40 (General), 20/10 (High Precision)] | 60/40 (General), 20/10 (High Precision) |
| Coating on input and output sides | uncoated, AR Coating, etc. |
Applications
Key Features
Datasheet
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Supplier Information
Related Products
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