Evanescent Field Absorption Sensor Using a Pure-Silica Defected-Core Photonic Crystal Fiber

An evanescent field absorption sensing technique in liquid solutions is demonstrated using a microstructured photonic crystal fiber (PCF). Aqueous solution of cobalt chloride was infiltrated into all air holes of the PCF. The defected-core with a central hole in the PCF together with an increase in...

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Veröffentlicht in:	IEEE photonics technology letters 2008-03, Vol.20 (5), p.336-338
Hauptverfasser:	Yu, X., Sun, Y., Ren, G.B., Shum, P., Ngo, N.Q., Kwok, Y.C.
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorption Aqueous solutions Central holes Chemical sensors Chlorides Crystal fibers fiber-optics sensors Liquids Mechanical sensors Microstructure Optical fiber devices Optical fiber sensors Optoelectronic and photonic sensors Penetration Photonic crystal fibers photonic crystal fibers (PCFs) Photonic crystals Silicon compounds Sun Surface chemistry
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