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Rev Sci Instrum. 2009 Jul;80(7):076104. doi: 10.1063/1.3170578.

High-repetition-rate optical delay line using a micromirror array and galvanometer mirror for a terahertz system.

Author information

1
Institute of Laser Engineering, Osaka University, 2-6 Yamadaoka, Suita, Osaka 565-0871, Japan. kitahara@ppl.eng.osaka-u.ac.jp

Abstract

We developed a high-repetition-rate optical delay line based on a micromirror array and galvanometer mirror for terahertz time-domain spectroscopy. The micromirror array is fabricated by using the x-ray lithographic technology. The measurement of terahertz time-domain waveforms with the new optical delay line is demonstrated successfully up to 25 Hz.

PMID:
19655989
DOI:
10.1063/1.3170578
[Indexed for MEDLINE]
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