Dielectric Cube Beamsplitter / CSM
Cube beamsplitters with dielectric multi-layer coated on the hypotenuse face of a 45° right angle prism. Divides beams at reflected light (R): transmission light (T) ratio of 1:2 or 1:3.
Common Specifications
| Material | BK7 |  |
|---|---|---|
| Surface Flatness of Substrate | λ/4 | |
| Wavelength Range | 400 － 700nm | |
| Beam Deviation | ＜5′ | |
| Coating | Hypotenuse surface: Dielectric multilayer coating Four surfaces: Multi-layer anti-reflection coating |
|
| Incident Angle | 0° | |
| Polarization of the Incident Beam | Unpolarized light or 45-degrees Linear polarization or Circular polarization | |
| Laser Damage Threshold | 0.3J/cm2 (Laser pulse width 10ns, repetition frequency 20Hz) |
|
| Surface Quality (Scratch-Dig) | 20-10 | |
| Clear Aperture | Circle that inscribed in a square of 85% of the dimensions |
| Schematic | Outline Drawing |
|---|---|
 |
 |
| Part Number | Reflectance:Transmittance | A=B=C | Transmittance at 550nm (The average value of the P-Polarization and the S-Polarization) |
Transmittance at 400・700nm (The average value of the P-Polarization and the S-Polarization) |
|---|---|---|---|---|
| CSM33-10-550 | 1:2 | 10mm | 67±5% | ＜80% |
| CSM33-20-550 | 1:2 | 20mm | 67±5% | ＜80% |
| CSM25-10-550 | 1:3 | 10mm | 75±5% | ＜90% |
| CSM25-20-550 | 1:3 | 20mm | 75±5% | ＜90% |
Shop By
Shopping Options
