دوره 8، شماره 2 - ( 4-1393 )
جلد 8 شماره 2 صفحات 111-105 |
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Nikbakht H, Latifi H, Amini T, Zibaii M I. Tip sensor probe for changing refractive index measurement in small volumes. IJOP 2014; 8 (2) :105-111
URL: http://ijop.ir/article-1-172-fa.html
URL: http://ijop.ir/article-1-172-fa.html
Tip sensor probe for changing refractive index measurement in small volumes. . 1393; 8 (2) :105-111
چکیده: (17172 مشاهده)
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.
نوع مطالعه: پژوهشي |
موضوع مقاله:
عمومى
دریافت: 1393/3/12 | ویرایش نهایی: 1393/12/5 | پذیرش: 1393/9/9 | انتشار: 1393/11/5
دریافت: 1393/3/12 | ویرایش نهایی: 1393/12/5 | پذیرش: 1393/9/9 | انتشار: 1393/11/5
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