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Wire-grid THz polarizers manufactured by laser micromachining of metal films on a polymer membrane
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2011
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Materials ScienceThz PhotonicsElectrical EngineeringTerahertz SpectroscopyEngineeringPolymer MembraneMicrofabricationOptical PropertiesApplied PhysicsTerahertz TechniqueLaser MicromachiningCold AblationWire Grid PolarizersTerahertz PhotonicsWire-grid Thz PolarizersElectro-optics Device
A new method for manufacturing wire grid polarizers and potentially other components for THz spectral range is demonstrated. The process is based on cold ablation of thin metal films on a polymer membrane, using an ultrafast fiber laser system.