Imprinting of metallic glasses: A simple approach to making durable terahertz high-pass filters

Yen Chen Chen, Tsong Ru Tsai, Jinn P. Chu, Hsuan Sung, Jason S.C. Jang, Hidemi Kato

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

An imprint process of Pd-based metallic glass is used to create a high-aspect-ratio two-dimensional wire array structure for filtering terahertz (THz) radiation. By the simplified imprinting process, a 10 × 10 straight wire array with a wire height of ̃320 μm and a diameter of 100.6 μm is produced. The negligibly small expansion of ̃0:3% confirms the excellent thermal imprinting property of metallic glass. The periodic wire array is shown to act as a high-pass filter in the THz range, and the transmission property measurement reveals a turn-on frequency of 0.4 THz, suggesting the promising approach and material for robust high-pass filters.

Original languageEnglish
Article number012201
JournalApplied Physics Express
Volume5
Issue number1
DOIs
Publication statusPublished - 2012 Jan 1

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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