ZnSe Output Coupler

ZnSe Output Coupler


Output Coupler (Partial Reflectors)are commonly used as laser output coupler or beam attenuator.
Laser output couplers often require a slightly wedged substrate to eliminate interference from multiple reflections inside the component.

 Capability

Common Specification
Design Wavelength 10.6μm
Diameter tolerance +0/- 0.10 mm
Thickness tolerance ± 0.10 mm
Focal length tolerances < ±2%
Clear Aperture >90%
Surface quality  S/D 40-20
Surface Flatness lambda/2 per each Dia.25.4mm area
Centration <3 arc minutes
PR Coating PR=1%-5%, tolerance ±0.5%
PR=6%-85%, tolerance ±3%
PR=86%-95%, tolerance ±1.5%
AR Coating AR/AR R<0.5%@10.6μm
Part Number Material PR Diameter(mm) Radius(mm) Edge Thickness (mm)
PR65-ZNSE-D25.4-5.99ET ZnSe 65% 25.4 30mCC/10mCX 5.99
PR50-ZNSE-D25.4-5.99ET ZnSe 50% 25.4 30mCC/10mCX 5.99
PR50-ZNSE-D27.97-5.99ET ZnSe 50% 27.97 30mCC/10mCX 5.99
PR50-ZNSE-D30-5.99ET ZnSe 50% 30 30mCC/10mCX 5.99
PR30-ZNSE-D38.1-5.99ET ZnSe 30% 38.1 10mCC/10mCX 5.99
PR60-ZNSE-D38.1-8.0ET ZnSe 60% 38.1 35mCC/15mCX 8
PR48-ZNSE-D50.8-7.62ET ZnSe 48% 50.8 30mCC/20mCX 7.62