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Quick Details
Specifications
Beamsplitters allow partial reflectance at a 45° angle of incidence with a 10.6μm wavelength. Only a certain percentage of incident energy is reflected while the remaining incident energy is transmitted.
A beam splitter is an optical device that splits a beam of light in two.It reflects incident light at a certain percentage and allows the rest to transmit.
Most beamsplitter coatings are highly polarization sensitive. Thus, if the source's polarization state varies with time, as in some randomly polarized lasers, the beamsplitters transmission will also vary with time.
A beam splitter is an optical device that splits a beam of light in two.It reflects incident light at a certain percentage and allows the rest to transmit.
Most beamsplitter coatings are highly polarization sensitive. Thus, if the source's polarization state varies with time, as in some randomly polarized lasers, the beamsplitters transmission will also vary with time.
| Specifications | ||
| Material | Zinc Selenide (ZnSe) CVD Laser Grade | |
| Diameter Tolerances | +.000" , -.005" | |
| Thickness Tolerances | ±.010" | |
| Parallelism | </= 30arc seconds | |
| Surface Quality | < 40/20 scratch – dig Laser Finish | |
| Spectral Performance | ||
| SIDE 1 | Reflectance and tolerance listed as below | |
| 1-10% ±1.0% | ||
| 11-85% ±1.0% (±0.5% can be achieved) | ||
| 86-95% ±1.0% | ||
| 96-99% ±1.0% | ||
| SIDE 2 | ||
| Standard high efficiency low loss anti-reflectance | ||
| AR-coating for 10.6μm | ||
| Total finish part Absorption < .15% | ||
| Angle Of Incidence | 45° | |
| P/N | Dia | THK | %Reflectance | Polarization |
| BSPZ-1012-33-P | 25.4mm | 3.04mm | 33.3% | P-POL |
| BSPZ-1012-33-S | 25.4mm | 3.04mm | 33.3% | S-POL |
| BSPZ-1112-33-P | 27.94mm | 3.04mm | 33.3% | P-POL |
| BSPZ-1112-33-S | 27.94mm | 3.04mm | 33.3% | S-POL |
| BSPZ-1516-33-P | 38.1mm | 4.06mm | 33.3% | P-POL |
| BSPZ-1516-33-S | 38.1mm | 4.06mm | 33.3% | S-POL |
| BSPZ-1012-50-P | 25.4mm | 3.04mm | 50% | P-POL |
| BSPZ-1012-50-S | 25.4mm | 3.04mm | 50% | S-POL |
| BSPZ-1112-50-P | 27.94mm | 3.04mm | 50% | P-POL |
| BSPZ-1112-50-S | 27.94mm | 3.04mm | 50% | S-POL |
| BSPZ-1516-50-P | 38.1mm | 4.06mm | 50% | P-POL |
| BSPZ-1516-50-S | 38.1mm | 4.06mm | 50% | S-POL |
| BSPZ-1012-98-P | 25.4mm | 3.04mm | 98% | P-POL |
| BSPZ-1012-98-S | 25.4mm | 3.04mm | 98% | S-POL |
| BSPZ-1112-98-P | 27.94mm | 3.04mm | 98% | P-POL |
| BSPZ-1112-98-S | 27.94mm | 3.04mm | 98% | S-POL |
| BSPZ-1516-98-P | 38.1mm | 4.06mm | 98% | P-POL |
| BSPZ-1516-98-S | 38.1mm | 4.06mm | 98% | S-POL |
| BSPZ-2020-50-P | 50.8mm | 5.08mm | 50% | P-POL |
| BSPZ-2020-50-S | 50.8mm | 5.08mm | 50% | S-POL |
| ★The above are about standard products,they can also be custom made ★S-s-polarization,P-p-polarization | ||||
| Beamsplitter Alternatives | ||||
| Substrate | (%)Reflectivity @ Normal Incidence | (%)Reflectivity @ 45°AOI S-Pol | (%)Reflectivity @ 45°AOI P-Pol | (%)Reflectivity @ 45°AOI R-Pol |
| Znse | 0.2 | <=2.0 | <=5.0 | <=1.5 |
| Znse | 40 | 52.6 | 21.3 | 37 |
| Znse | 50 | 62.7 | 29.3 | 46 |
| Znse | 55 | 66.1 | 30.7 | 48.2 |
| Znse | 60 | 72 | 38.6 | 55.3 |
| Znse | 65 | 74.9 | 40.4 | 57.6 |
| Znse | 70 | 79 | 45.2 | 62.1 |
| Znse | 75 | 83.2 | 50.8 | 67 |
| Znse | 80 | 87.1 | 57.5 | 72.3 |
| Znse | 85 | 91.1 | 65.8 | 78.5 |
| Znse | 90 | 92.7 | 67 | 79.8 |
| Znse | 95 | 97.3 | 82.1 | 89.7 |
| Znse | 99 | 99.1 | 91.5 | 95.1 |
| Znse | 99.5 | 99.8 | 93.8 | 96.5 |