Journal
IEEE PHOTONICS TECHNOLOGY LETTERS
Volume 21, Issue 9-12, Pages 730-732Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2009.2017382
Keywords
Liquid crystal devices; phase grating; submillimeter wave; terahertz (THz) radiation; tunable circuits and devices; ultrafast optics
Funding
- National Science Council (NSC) [NSC 96-2221-E-009-131-MY3]
- PPAEU-II
- Ministry of Education, Taiwan, Republic of China
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This work demonstrates the feasibility of electrically controlled liquid-crystal-based phase grating for manipulating the terahertz (THz) waves. This device can be utilized as a THz beam splitter and the beam splitting ratio of the zeroth- to the first-order diffractions can be tuned from 10 : 1 to 1: 1.
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