Beam Splitter

Beam Splitters

Beam splitters allow a beam to be split into two beams of differing power, however, the most popular power split is 50:50 at a 45° incidence angle. The polarization needs to be considered when specifying a beam splitter otherwise the reflected and transmitted beams will not have the correct power. We have developed a special 'polarization insensitive' coating which eliminates this problem for the 50:50 case.

Advanced in-house design
Up to 500W/cm2 power handling
High quality laser grade material

The following standard beam splitter are available..

Model	Material	Diameter mm	ET mm	Transmission %	Reflectance %	Coating
BPZ-1-3-45	ZnSe	25.4	3	50	50	AR/50%-PIB
BPZ-1-3-50-P	ZnSe	25.4	3	50	50	AR/50%-45P
BPZ-1-3-50-R	ZnSe	25.4	3	50	50	AR/50%-45R
BPZ-1-3-45-3-50-S	ZnSe	25.4	3	50	50	AR/50%-45S
BPZ-1-3-99-R	ZnSe	25.4	3	1	99	AR/99%-45R
BPZ-1.5-3-45	ZnSe	38.05	3	50	50	AR/50%-PIB
BPZ-1.5-4-45	ZnSe	38.05	4	50	50	AR/50%-PIB
BPZ-1.5-3-10-R	ZnSe	38.05	3	90	10	AR/10%-45R
BPZ-1.5-3-1-R	ZnSe	38.05	3	99	1	AR/1%-45R
BPZ-1.5-3-50-P	ZnSe	38.05	3	50	50	AR/50%-45P
BPZ-1.5-3-50-R	ZnSe	38.05	3	50	50	AR/50%-45R
BPZ-1.5-3-50-S	ZnSe	38.05	3	50	50	AR/50%-45S
BPZ-1.5-3-5-R	ZnSe	38.05	3	95	5	AR/5%-45R
BPZ-1.5-4-50-R	ZnSe	38.05	4	50	50	AR/50%-45R
BPZ-1.5-5-50-R	ZnSe	38.05	5	50	50	AR/50%-45R
BPZ-2-5-45	ZnSe	50.8	5	50	50	AR/50%-PIB

Remark:

1) The above items are flat/flat;

2) The angle of incidence is 45 degree;

3) The above items are polorisation-insensitive.

Beam Combiner Windows, Brewster Windows Optical Filters Download PDF Catalogue