期刊
OPTICS EXPRESS
卷 20, 期 11, 页码 11899-11905出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.20.011899
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资金
- Council of Hong Kong [616611, 612310, DAG 09/10 EG01]
- Shun Hing Institute for Advanced Engineering (SHIAE) [BME-p4/09]
- Basic Science Research Program of Korea [2009-0083512]
- National Research Foundation of Korea [2009-0093429] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Despite the wide application of liquid crystals (LCs) in the visible frequency range, their properties in the terahertz range have not yet been extensively investigated. In this paper we have investigated the terahertz properties of LCs E7, BL037, RDP-94990 and RDP-97304 using terahertz time-domain-spectroscopy. We find that RDP-94990 has the largest birefringence and smallest absorption in the terahertz range compared to E7 and BL037. We highlight the importance of investigating all parameters, not just the birefringence, when designing fast, efficient and transmissive terahertz LC devices. (c) 2012 Optical Society of America
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