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Limited by serious material absorption and dispersion in THz wave band, efficient and long distance delivery of THz signal is one of important problems for constructing a compact THz system. Based on the transmission loss coefficient in metal waveguide obtained by perturbation method, the transmission loss properties of THz wave in metal-coated hollow waveguide varying with different metal materials and waveguide structure parameters are simulated. According to the numerical results, an Ag-coated hollow waveguide with inner diameter of 1.1 mm was designed and fabricated, and the transmission loss of THz wave was 8.6 dB/m at frequency of 2.5 THz as found in experiment, which realizes a short distance transmission with ultralow loss in THz region.
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Keywords:
- terahertz wave /
- metal hollow waveguide /
- transmission loss
[1] Wang K L, Mittleman D M 2004 Nature 432 376
[2] Jeon T I, Zhang J Q, Grischkowsky D 2005 Appl. Phys. Lett. 86 161904
[3] Acta Phys. Sin. 58 7030 (in Chinese)[张玉萍、 张会云、 耿优福、 谭晓玲、 姚建铨 2009 58 7030]
[4] Mendis R, Grischkowsky D 2001 Opt. Lett. 26 846
[5] Geng Y F, Tan X L, Wang P, Yao J Q 2008 Appl. Phys. B Lasers 91 333
[6] McGowan R W, Gallot G, Grischkowsky D 1999 Opt. Lett. 24 1431
[7] Gallot G, Jamison S P, McGowan R W, Grischkowsky D 2000 J. Opt. Soc. Am. B 17 851
[8] Harringto J A, George R, Pedersen P 2004 Opt. Express 12 5263
[9] Ito T, Matsuura Y J 2007 J. Opt. Soc. Am. B 24 1230
[10] Zhang Y P, Zhang H Y, Geng Y F, Tan X L, Yao J Q 2009
[11] Jamison S P, McGowan R W, Grischkowsky D 2000 Appl. Phys. Lett. 76 1987
[12] Chen L J, Chen H W, Kao T F, Lu J Y, Sun C K 2006 Opt. Lett. 31 308
[13] Wu C G, S J, L D, M G H 2009 Acta Phys. Sin. 58 8623 (in Chinese) [吴臣国、 沈 杰、 李 栋、 马国宏 2009 58 8623]
[14] Zhang R, Cao J C 2010 Acta Phys. Sin. 59 3924 (in Chinese) [张 戎、 曹俊诚 2010 59 3924]
[15] Chen H, Wang L 2009 Acta Phys. Sin. 58 8271 (in Chinese) [陈 华、 汪 力 2009 58 8271]
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[1] Wang K L, Mittleman D M 2004 Nature 432 376
[2] Jeon T I, Zhang J Q, Grischkowsky D 2005 Appl. Phys. Lett. 86 161904
[3] Acta Phys. Sin. 58 7030 (in Chinese)[张玉萍、 张会云、 耿优福、 谭晓玲、 姚建铨 2009 58 7030]
[4] Mendis R, Grischkowsky D 2001 Opt. Lett. 26 846
[5] Geng Y F, Tan X L, Wang P, Yao J Q 2008 Appl. Phys. B Lasers 91 333
[6] McGowan R W, Gallot G, Grischkowsky D 1999 Opt. Lett. 24 1431
[7] Gallot G, Jamison S P, McGowan R W, Grischkowsky D 2000 J. Opt. Soc. Am. B 17 851
[8] Harringto J A, George R, Pedersen P 2004 Opt. Express 12 5263
[9] Ito T, Matsuura Y J 2007 J. Opt. Soc. Am. B 24 1230
[10] Zhang Y P, Zhang H Y, Geng Y F, Tan X L, Yao J Q 2009
[11] Jamison S P, McGowan R W, Grischkowsky D 2000 Appl. Phys. Lett. 76 1987
[12] Chen L J, Chen H W, Kao T F, Lu J Y, Sun C K 2006 Opt. Lett. 31 308
[13] Wu C G, S J, L D, M G H 2009 Acta Phys. Sin. 58 8623 (in Chinese) [吴臣国、 沈 杰、 李 栋、 马国宏 2009 58 8623]
[14] Zhang R, Cao J C 2010 Acta Phys. Sin. 59 3924 (in Chinese) [张 戎、 曹俊诚 2010 59 3924]
[15] Chen H, Wang L 2009 Acta Phys. Sin. 58 8271 (in Chinese) [陈 华、 汪 力 2009 58 8271]
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