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Conferences > DOMO > 2002 > DTuA > DTuA2

Silicon Diffractive Optics at THz Frequencies

E. D. Walsby, T. Yuan, S. Wang, J. Xu, R. Blaikie, S. M. Durbin, X. –C. Zhang, and D. R. S. Cumming

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Abstract

Multilevel silicon diffractive lenses have been fabricated and tested in the frequency range 0.5-2 THz. Efficient focusing occurs at the design frequency of 1 THz with 4-level and 8-level lenses significantly outperforming zone plates and 2-level lenses.

© 2002 Optical Society of America

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