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Conferences > CLEO_SI > 2016 > JTh2A > JTh2A.62

Discrimination of Orbital Angular Momentum Modes of the Terahertz Vortex Beam via Diffractive Elements

Changming Liu, Xuli Wei, Liting Niu, Kejia Wang, Zhengang Yang, and Jinsong Liu

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Abstract

We demonstrate a 3D printed diffractive mode transformer to discriminate orbital angular momentum (OAM) modes of terahertz (THz) vortex beam via an optical geometrical transformation method. THz vortex beams with the integer quantum number l ranging from −3 to +3 are detected.

© 2016 Optical Society of America

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