Characterization of Subwavelength Plastic Fiber Utilizing Terahertz Time-Domain Spectroscopy

被引：0

作者：

You, Borwen ^{[1
]}

Liu, Tze-An ^{[2
]}

Peng, Jin-Long ^{[2
]}

Pan, Ci-Ling ^{[3
,4
]}

Lu, Ja-Yu ^{[1
]}

机构：

[1] Natl Cheng Kung Univ, Inst Electroopt Sci & Engn, 1 Univ Rd, Tainan 70101, Taiwan

[2] Ind Technol Res Inst, Ctr Measurement Standards, Hsinchu 30011, Taiwan

[3] Natl Chiao Tung Univ, Dept Photon, Hsinchu 30010, Taiwan

[4] Natl Chiao Tung Univ, Inst Electro Opt Engn, Hsinchu 30010, Taiwan

来源：

TERAHERTZ TECHNOLOGY AND APPLICATIONS II | 2009年 / 7215卷

关键词：

THz; THz TDS; terahertz time domain spectroscopy; subwavelength fiber; subwavelength THz plastic fiber; plastic fiber; THz waveguide; THz fiber; waveguide dispersion; fiber dispersion; fiber attenuation; PROPAGATION; PULSES;

D O I：

10.1117/12.808933

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We present the first characterization of a simple subwavelength-diameter plastic wire by using wideband terahertz time-domain spectroscopy. The propagation characteristics including waveguide dispersion, group velocity, and attenuation constant of various plastic wires with different diameters and refractive indices are studied. The experimental results show the subwavelength plastic wire has extremely low waveguide dispersion and low attenuation constant (<0.01cm(-1)) at its THz transmission band due to much reduced fractional power delivered inside the lossy core, which is consistent with the theoretical calculations. With the large evanescent-fields, the subwavelength plastic wire has capability to integrate with micro-fluid channel for sensitive bio-sensing applications.

引用

页数：10

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