Electrically Controlled Room Temperature Terahertz Phase Shifter With Liquid Crystal

IEEE Microwave and Wireless Components Letters

Volumn 14, Issue 2, 2004, Pages 77-79

  Tsai, Tsong Ru ^a   Chen, Chao Yuan ^a   Pan, Ru Pin ^a   Pan, Ci Ling ^a   Zhang, Xi Cheng ^b  

^a NATIONAL CHIAO TUNG UNIVERSITY   (Taiwan)

^b RENSSELAER POLYTECHNIC INSTITUTE   (United States)

Author keywords

Liquid crystals; Phase modulation; Phase shifter; Terahertz

Indexed keywords

ANISOTROPY; BIREFRINGENCE; ELECTRIC CONTROL EQUIPMENT; INFRARED SPECTROSCOPY; NEMATIC LIQUID CRYSTALS; PHASE MODULATION; REFRACTION; SEMICONDUCTOR QUANTUM WELLS; THRESHOLD VOLTAGE; TIME DOMAIN ANALYSIS;

DRIVING VOLTAGE; TETRAHERTZ;

PHASE SHIFTERS;

EID: 1642358320     PISSN: 15311309     EISSN: None     Source Type: Journal    
DOI: 10.1109/LMWC.2003.819958     Document Type: Article

References (9)

1. M. V. Exter, C. Fattinger, and D. Grischkowsky, "Terahertz time-domain spectroscopy of water vapor," Opt. Lett., vol. 14, no. 20, pp. 1128-1130, Oct. 1989.
2. D. Grischkowsky, S. R. Keiding, M. V. Exter, and C. Fattinger, "Farinfrared time-domain spectroscopy with terahertz beams of dielectrics and semiconductors," J. Opt. Soc. Amer. B, vol. 7, no. 10, pp. 2006-2015, Oct. 1990.
3. B. B. Hu and M. C. Nuss, "Imaging with terahertz waves," Opt. Lett., vol. 20, no. 16, pp. 1716-1718, Aug. 1995.
4. R. A. Cheville and D. Grischkowsky, "Time domain terahertz impulse ranging studies," Appl. Phys. Lett., vol. 67, no. 14, pp. 1960-1962, Oct. 1995.
5. I. H. Libon, S. Baumgärtner, M. Hempel, N. E. Hecker, J. Feldmann, M. Koch, and P. Dawson, "An optically controllable terahertz filter," Appl. Phys. Lett., vol. 76, no. 20, pp. 2821-2823, May 2000.
6. R. Kersting, G. Strasser, and K. Unterrainer, "Terahertz phase modulator," Electron. Lett., vol. 36, no. 13, pp. 1156-1158, June 2000.
7. K. C. Lim, J. D. Margerum, and A. M. Lackner, "Liquid crystal millimeter wave electronic phase shifter," Appl. Phys. Lett., vol. 62, no. 10, pp. 1065-1067, Mar. 1993.
8. T.-R. Tsai, C.-Y. Chen, C.-L. Pan, R.-P. Pan, and X.-C. Zhang, "THz time-domain spectroscopy studies of the optical constants of the nematic liquid crystal 5CB," Appl. Opt., vol. 42, no. 13, pp. 2372-2376, May 2003.
9. P. G. de Gennes and J. Prost, The Physics of Liquid Crystals. New York: Oxford Univ. Press, 1993, ch. 3.