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Opt Express. 2018 Dec 10;26(25):32631-32639. doi: 10.1364/OE.26.032631.

High quality terahertz glass wave plates.

Abstract

In this paper we present four λ/2-wave plates made out of fused silica glass for operation in the terahertz frequency range. The design of the wave plates is based on form birefringence. They were fabricated by selective laser-induced etching resulting in a series of glass bars separated by air grooves. Wave plates operating at single, two and several frequencies were designed, fabricated and characterized.

PMID:
30645426
DOI:
10.1364/OE.26.032631

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