消偏振分光棱镜(NPBS)
Description:
Non-Polarizing Cube Beamsplitter(NPBS Cube) consists of a pair of precision high tolerance right angle prisms cemented together with a metallic-dielectric coating on the hypotenuse of one of the prisms. The low polarization dependence of the metallic-dielectric coating allows the transmission and reflection for S- and P-polarization states to be within 5% of each other. This means that they will not change the state of polarization of the incident beam.
Features:
Low polarization dependence;
Low power application;
Not change the state of polarization of the incident beam.
Specifications:
| Material | BK7 Optical Glass or equivalent |
| Dimension Tolerance | ±0.2mm |
| Surface Quality | 60/40 scratch/dig |
| Beam Deviation | 5 arc minutes |
| T/R | 50/50 ± 5% |
| Polarization difference | <6% |
| Absorption | <10% |
| AR Coating | @450-680nm,R<0.5%, @720-1080nm,R<0.5%, @1100-1620nm,R<0.5% |