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Measurement of the diameter í µí°· of the spot. 

Measurement of the diameter í µí°· of the spot. 

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Fig. 1. Relation between í µí±‰-number and numerical aperture of the...
Fig. 2. Measurement of the acceptance angle for MMF. 
Fig. 3. Measurement of the diameter í µí°· of the spot. 
Fig. 4. Gaussian distribution of He-Ne laser light output. 
+4 Fig. 5. Gaussian distribution of PCS multimode fiber output. 
Theoretical and Experimental Study of a Numerical Aperture for Multimode PCS Fiber Optics Using an Imaging Technique
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  • Nov 2012
We study theoretically and experimentally the properties of numerical aperture (𝑁𝐴) of multimode graded-index plastic core silica (PCS) fibers by using an image technique. A He-Ne laser at wavelength 632.8nm and output power 1mW is used as the transmitter light source. The output beam images and intensity profiles of an optical fiber are investigat...
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