Title :
A terahertz plastic wire based evanescent field sensor for high sensitivity liquid detection
Author :
You, Borwen ; Lu, Ja-Yu ; Pan, Ci-Ling ; Liu, Tze-An ; Peng, Jin-Long
Author_Institution :
Inst. of Electro-Opt. Sci. & Eng., Nat. Cheng Kung Univ., Tainan, Taiwan
Abstract :
A highly sensitive detection method based on the evanescent wave of a terahertz subwavelength plastic wire was demonstrated for liquid sensing. A 20ppm melamine alcohol solution is successfully identified with refractive-index sensitivity of 0.01.
Keywords :
Absorption; Liquids; Optical refraction; Optical sensors; Optical waveguides; Plastics; Powders; Refractive index; Spectroscopy; Wire;
Conference_Titel :
Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 2010 Conference on
Conference_Location :
San Jose, CA, USA
Print_ISBN :
978-1-55752-890-2
Electronic_ISBN :
978-1-55752-890-2
