Terahertz spectroscopy of three-dimensional photonic band-gap crystals
- 1 August 1994
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 19 (15) , 1155-1157
- https://doi.org/10.1364/ol.19.001155
Abstract
We have fabricated and built three-dimensional photonic band-gap crystals with band-gap frequencies larger than 500 GHz. We built the crystals by stacking micromachined (110) silicon wafers. The transmission and dispersion characteristics of the structures were measured by an all-electronic terahertz spectroscopy setup. The experimental results were in good agreement with theoretical calculations. To our knowledge, our new crystal has the highest reported photonic band-gap frequency.Keywords
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