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作者:Xinwei Lan , Baokai Cheng ...
来源:[J].Sensors & Actuators: B. Chemical(IF 3.535), 2015, Vol.207, pp.571-580
摘要:Abstract(#br)pH sensing at the single-cell level without negatively affecting living cells is very important but still a remaining issue in the biomedical studies. A 70 μm reflection-mode fiber-optic micro-pH sensor was designed and fabricated by dip-coating thin layer of or...
作者:Xinwei Lan , Jie Huang ...
来源:[J].Sensors & Actuators: B. Chemical(IF 3.535), 2015, Vol.216, pp.332-336
摘要:Abstract(#br)A miniaturized chemical vapor sensor probe was developed using a porous glass microsphere (PGM) as the alignment-free optical microresonator. The porous microsphere was placed inside a thin wall silica capillary tube that was fusion-spliced to an optical fiber. The w...
作者:Xinwei Lan , Qun Han ...
来源:[J].Sensors & Actuators: B. Chemical(IF 3.535), 2013, Vol.177, pp.1149-1155
摘要:Abstract(#br)Turn-around point long period fiber gratings (TAP-LPFG) are designed by simulations and fabricated by CO 2 laser point-to-point irradiations. It is found that the transmission power of a TAP-LPFG exhibits a large linear range with high sensitivity in response to the ...
作者:Xinwei Lan , Baokai Cheng ...
来源:[J].Sensors & Actuators: B. Chemical(IF 3.535), 2014, Vol.193, pp.95-99
摘要:Abstract(#br)Fiber optic probes for chemical sensing based on the extraordinary optical transmission (EOT) phenomenon are designed and fabricated by perforating subwavelength hole arrays on the gold film coated optical fiber endface. The device exhibits a red shift in respon...
作者:Xinwei Lan , Hai Xiao
来源:[J].Sensors & Actuators: B. Chemical(IF 3.535), 2013, Vol.177, pp.205-212
摘要:Abstract(#br)This paper reports the fabrication and test of multilayer fiber optic sensors (FOSs) for hydrogen gas monitoring at high temperature. The FOS is a long-period fiber grating (LPFG) coated with a proton-conducting SrCe 0.8 Zr 0.1 Y 0.1 O 2.95 (SCZY) nanocrystallin...
作者:Xinwei Lan , Amardeep Kaur ...
来源:[J].Sensors & Actuators: B. Chemical(IF 3.535), 2014, Vol.198, pp.384-387
摘要:Abstract(#br)A hybrid optical fiber structure for refractive index (RI) measurement with the temperature compensation capability is reported. The structure consists of a CO 2 laser-induced long period fiber grating (LPFG) and a section of single mode–multimode–single mode (S...
作者:Xinwei Lan , Hai Xiao
来源:[J].Sensors & Actuators: B. Chemical(IF 3.535), 2009, Vol.144 (1), pp.260-266
摘要:Abstract(#br)Carbon dioxide sorption on perovskite type metal oxide, Ba 0.5 Sr 0.5 Co 0.8 Fe 0.2 O 3− δ , was studied at high temperatures for the development of a high temperature optical carbon dioxide sensor. When exposed to carbon dioxide in 600–700 °C Ba 0.5 Sr 0.5...
作者:Xinwei Lan , Jie Huang ...
来源:[J].Microwave and Optical Technology Letters(IF 0.585), 2013, Vol.55 (8), pp.1735-1738
摘要:ABSTRACT(#br)An easy way to flexibly fabricate special long‐period fiber grating (LPFG) devices by controlled CO2 laser pulses are presented in this paper. By controlling the pulse power and duration, consecutive exposures were made on an optical fiber to fabricat...
作者:Xinwei Lan , Tao Wei ...
来源:[J].Applied Physics A(IF 1.545), 2009, Vol.97 (3), pp.721-724
摘要:Abstract(#br)We report the fabrication of surface enhanced Raman spectroscopy (SERS) fused silica glass substrates using fast femtosecond-laser (fs-laser) scan, followed by silver chemical plating. A cross-section enhancement factor (EF) of 2.5×10 6 , evaluated by Rhodamine ...
作者:Xinwei Lan , Amardeep Kaur ...
来源:[J].Optical Engineering(IF 0.88), 2013, Vol.52 (1), pp.014404-014404
摘要:We report a reflection-based phase-shifted long period fiber grating (PS-LPFG) and demonstrate its capability for simultaneous measurement of temperature and external reflective index (RI). The sensor device comprises a grating directly written by CO 2 laser and silver-coate...

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