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Determination of Glucose Concentration By Rotation of Polarization Plane of He-Ne Laser | ||
| Journal of Education and Science | ||
| Article 8, Volume 24, Issue 1, 2011, Pages 69-77 PDF (0 K) | ||
| DOI: 10.33899/edusj.2011.51506 | ||
| Author | ||
| Zead T. Ahmed Ameer F. Hammeed | ||
| Abstract | ||
| Abstract In this research, the optical activity of glucose solution had been studied through the studying of influence of this solution in rotation of polarization plane of laser He-Ne light, the different concentrations of glucose solution were selected for analyzing the intensity of polarized laser light within the range and by increment (10o), which is transmitted during the samples of distilled water (as a standard sample) and these different concentrations of glucose solution by using analyzer. Then the relationship between values of analyzer angles and intensity values was plotted. At steady intensity for all curves the analyzer angle for distilled water and each one of concentrations has determined, then all concentrations were plotted as a function of these angles and by fitting the result curve by using MATLAB Package the polynomial of first order which represents the relationship between the rotational angle and concentrations had inquired. In other hand, the distribution in (3-D) of intensity of He-Ne laser spot which is transmitted during the samples of distilled water and the different concentrations of glucose solution was studied through taking the image for each case by using digital camera. The difference in distribution of intensity in spot of laser for each case had determined that due to different in solution concentrations. | ||
| Keywords | ||
| Glucose; Polarization; He-Ne laser | ||
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