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Place of Origin: China (Mainland)
Brand Name: Carman Haas
Model Number: laser optics
Meterial: Zinc Selenide (ZnSe) Laser Grade

Specifications

Beam combiner combines two or more wavelengths of beam - one beam in transmission and the other in reflection - into one single beam. Generally ZnSe beam combiner is coated specific coatings to transmit laser beam and reflect visible light, to combine CO2 laser beams and HeNe visible diode laser alignment beams.

Specifications
Material  Zinc Selenide (ZnSe)  Laser Grade
Diameter Tolerances   +.000" , -.005"  
Thickness Tolerances   ±.010"
Parallelism   < 1 minute of ARC
Surface Quality  < 20/10 scratch  dig Laser Finish
Spectral Performance
Transmission  > 98% average @ 10.6μm
Reflectance > 90% average @ .633μmor .650μm  or .670μm(RED) 
For 45° Angle of Incidence operation

P/N Substrate Diameter (mm) Transmission@10.6μm Reflectivity Angle of Incidence Polarization
(mm)
BC-0508-.633UM ZnSe 12.7 2.03  98% 90% @ 0.633μm 45° R-Pol
BC-0708-.633UM ZnSe 19.05 2.03  98% 90% @ 0.633μm 45° R-Pol
BC-1012-.633UM ZnSe 25.4 3.05  98% 90% @ 0.633μm 45° R-Pol
BC-1012-.670UM ZnSe 25.4 3.05  98% 90% @ 0.670μm 45° R-Pol
BC-1512-.633UM ZnSe 38.1 3.05  98% 90% @ 0.633μm 45° R-Pol
BC-2020-.633UM ZnSe 50.8 5.08  98% 90% @ 0.633μm 45° R-Pol 
NA-no request for this parameter
The above are about standard products,they can also be custom made