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   Tip Sensor Probe For Changing Refractive Index Measurement in Small Volumes  
   
نویسنده Nikbakht Hamed ,Latifi Hamid ,Amini Tahereh ,Zibaii Mohammad Ismail
منبع International Journal Of Optics And Photonics - 2014 - دوره : 8 - شماره : 2 - صفحه:105 -111
چکیده    In this paper, a tapered tip optical fiber probe sensor for localized refractive index (ri) measurements is presented. this sensor’s interaction with analytes is confined to a few micro-meters which makes it a promising candidate for in-vivo or even intra-cellular ri monitoring. this tapered tip was simply fabricated by etching optical fiber with hydrofluoric acid to a conic shape with a sub-micrometer aperture. the sensor was calibrated for ri measurement using different concentrations of nacl in water. limit of detection of 6.7×10-5 riu was achieved for this low-cost sensor.
کلیدواژه Etching ,Intra-Cellular Sensor ,Optical Fiber Tip ,Refractive Index ,Tapered Optical Fiber
آدرس Shahid Beheshti University, Laser & Plasma Research Institute, Shahid Beheshti University, ایران, Shahid Beheshti University, Laser & Plasma Research Institute, Shahid Beheshti University, ایران, Shahid Beheshti University, Department Of Physics, Shahid Beheshti University, ایران, Shahid Beheshti University, Laser & Plasma Research Institute, Shahid Beheshti University, ایران
پست الکترونیکی mizibaye@gmail.com
 
     
   
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